./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-04.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8 --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 3a784e11bf73a2acfc7dcf1addce2ecbb061bf2a055ac7c7789f5cd2a0fe09f1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 16:30:19,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:30:19,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:30:19,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:30:19,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:30:19,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:30:19,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:30:19,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:30:19,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:30:19,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:30:19,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:30:19,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:30:19,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:30:19,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:30:19,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:30:19,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:30:19,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:30:19,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:30:19,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:30:19,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:30:19,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:30:19,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:30:19,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:30:19,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:30:19,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:30:19,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:30:19,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:30:19,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:30:19,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:30:19,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:30:19,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:30:19,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:30:19,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:30:19,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:30:19,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:30:19,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:30:19,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:30:19,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:30:19,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:30:19,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:30:19,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:30:19,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 16:30:19,895 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:30:19,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:30:19,896 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:30:19,896 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:30:19,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:30:19,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:30:19,898 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:30:19,898 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 16:30:19,898 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 16:30:19,898 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 16:30:19,898 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 16:30:19,899 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 16:30:19,899 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 16:30:19,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:30:19,899 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:30:19,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:30:19,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:30:19,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 16:30:19,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 16:30:19,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 16:30:19,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:30:19,900 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 16:30:19,900 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:30:19,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 16:30:19,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:30:19,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:30:19,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:30:19,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:30:19,902 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 16:30:19,902 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_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a784e11bf73a2acfc7dcf1addce2ecbb061bf2a055ac7c7789f5cd2a0fe09f1 [2022-12-13 16:30:20,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:30:20,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:30:20,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:30:20,149 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:30:20,150 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:30:20,151 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-bwb/and-04.c [2022-12-13 16:30:22,785 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:30:22,902 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:30:22,902 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/sv-benchmarks/c/termination-bwb/and-04.c [2022-12-13 16:30:22,906 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/data/2767ebb41/d5d441fe1ca640f2aa1729e29cd641a6/FLAG441d32cf9 [2022-12-13 16:30:22,916 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/data/2767ebb41/d5d441fe1ca640f2aa1729e29cd641a6 [2022-12-13 16:30:22,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:30:22,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:30:22,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:30:22,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:30:22,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:30:22,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:30:22" (1/1) ... [2022-12-13 16:30:22,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e85330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:22, skipping insertion in model container [2022-12-13 16:30:22,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:30:22" (1/1) ... [2022-12-13 16:30:22,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:30:22,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:30:23,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:30:23,041 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:30:23,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:30:23,059 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:30:23,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:23 WrapperNode [2022-12-13 16:30:23,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:30:23,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:30:23,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:30:23,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:30:23,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:23" (1/1) ... [2022-12-13 16:30:23,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:23" (1/1) ... [2022-12-13 16:30:23,081 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2022-12-13 16:30:23,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:30:23,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:30:23,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:30:23,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:30:23,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:23" (1/1) ... [2022-12-13 16:30:23,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:23" (1/1) ... [2022-12-13 16:30:23,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:23" (1/1) ... [2022-12-13 16:30:23,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:23" (1/1) ... [2022-12-13 16:30:23,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:23" (1/1) ... [2022-12-13 16:30:23,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:23" (1/1) ... [2022-12-13 16:30:23,094 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:23" (1/1) ... [2022-12-13 16:30:23,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:23" (1/1) ... [2022-12-13 16:30:23,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:30:23,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:30:23,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:30:23,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:30:23,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:23" (1/1) ... [2022-12-13 16:30:23,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:23,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:23,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:23,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 16:30:23,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:30:23,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:30:23,196 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:30:23,197 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:30:23,256 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:30:23,262 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:30:23,263 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 16:30:23,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:30:23 BoogieIcfgContainer [2022-12-13 16:30:23,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:30:23,265 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 16:30:23,265 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 16:30:23,269 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 16:30:23,270 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 16:30:23,270 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 04:30:22" (1/3) ... [2022-12-13 16:30:23,271 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5dae7e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 04:30:23, skipping insertion in model container [2022-12-13 16:30:23,271 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 16:30:23,271 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:23" (2/3) ... [2022-12-13 16:30:23,271 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5dae7e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 04:30:23, skipping insertion in model container [2022-12-13 16:30:23,271 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 16:30:23,271 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:30:23" (3/3) ... [2022-12-13 16:30:23,272 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-04.c [2022-12-13 16:30:23,320 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 16:30:23,320 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 16:30:23,320 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 16:30:23,320 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 16:30:23,320 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 16:30:23,320 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 16:30:23,321 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 16:30:23,321 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 16:30:23,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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) [2022-12-13 16:30:23,336 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 16:30:23,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 16:30:23,337 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 16:30:23,340 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 16:30:23,340 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 16:30:23,340 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 16:30:23,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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) [2022-12-13 16:30:23,341 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 16:30:23,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 16:30:23,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 16:30:23,342 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 16:30:23,342 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 16:30:23,347 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L16-2true [2022-12-13 16:30:23,347 INFO L750 eck$LassoCheckResult]: Loop: 8#L16-2true assume !!(main_~x~0#1 > 5); 2#L16true assume !(10 != main_~x~0#1);main_~x~0#1 := main_~x~0#1 - 1; 8#L16-2true [2022-12-13 16:30:23,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:23,352 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-12-13 16:30:23,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:23,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620523411] [2022-12-13 16:30:23,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:23,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:30:23,408 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:30:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:30:23,420 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:30:23,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:23,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1330, now seen corresponding path program 1 times [2022-12-13 16:30:23,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:23,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879590421] [2022-12-13 16:30:23,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:23,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:30:23,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:30:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:30:23,441 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:30:23,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:23,443 INFO L85 PathProgramCache]: Analyzing trace with hash 925812, now seen corresponding path program 1 times [2022-12-13 16:30:23,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:23,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978687188] [2022-12-13 16:30:23,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:23,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:30:23,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:30:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:30:23,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:30:23,507 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 16:30:23,508 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 16:30:23,508 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 16:30:23,508 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 16:30:23,508 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 16:30:23,508 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:23,508 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 16:30:23,509 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 16:30:23,509 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-04.c_Iteration1_Loop [2022-12-13 16:30:23,509 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 16:30:23,509 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 16:30:23,533 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:30:23,575 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 16:30:23,575 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 16:30:23,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:23,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:23,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:23,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 16:30:23,585 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 16:30:23,585 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:30:23,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:30:23,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:23,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:23,603 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:23,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 16:30:23,605 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 16:30:23,605 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:30:23,621 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 16:30:23,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 16:30:23,624 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 16:30:23,624 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 16:30:23,624 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 16:30:23,624 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 16:30:23,624 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 16:30:23,624 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:23,624 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 16:30:23,624 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 16:30:23,625 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-04.c_Iteration1_Loop [2022-12-13 16:30:23,625 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 16:30:23,625 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 16:30:23,626 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:30:23,654 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 16:30:23,658 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 16:30:23,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:23,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:23,660 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:23,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 16:30:23,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:23,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:23,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:23,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:23,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:23,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:30:23,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:30:23,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:23,681 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 16:30:23,687 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-12-13 16:30:23,688 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 16:30:23,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:23,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:23,712 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:23,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 16:30:23,714 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 16:30:23,715 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 16:30:23,715 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 16:30:23,716 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-12-13 16:30:23,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 16:30:23,721 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 16:30:23,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:23,744 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 16:30:23,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:30:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:23,757 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 16:30:23,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:30:23,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:30:23,792 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-12-13 16:30:23,793 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:30:23,832 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 55 transitions. Complement of second has 6 states. [2022-12-13 16:30:23,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 16:30:23,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:30:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2022-12-13 16:30:23,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 2 letters. Loop has 2 letters. [2022-12-13 16:30:23,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:30:23,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 4 letters. Loop has 2 letters. [2022-12-13 16:30:23,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:30:23,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 2 letters. Loop has 4 letters. [2022-12-13 16:30:23,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:30:23,841 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 55 transitions. [2022-12-13 16:30:23,843 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 16:30:23,845 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 14 states and 20 transitions. [2022-12-13 16:30:23,846 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-12-13 16:30:23,846 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-12-13 16:30:23,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2022-12-13 16:30:23,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 16:30:23,847 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2022-12-13 16:30:23,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2022-12-13 16:30:23,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2022-12-13 16:30:23,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 12 states have internal predecessors, (19), 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) [2022-12-13 16:30:23,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2022-12-13 16:30:23,866 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 19 transitions. [2022-12-13 16:30:23,866 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2022-12-13 16:30:23,866 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 16:30:23,866 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. [2022-12-13 16:30:23,867 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 16:30:23,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 16:30:23,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 16:30:23,868 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 16:30:23,868 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 16:30:23,868 INFO L748 eck$LassoCheckResult]: Stem: 92#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 93#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 96#L16-2 assume !!(main_~x~0#1 > 5); 84#L16 assume 10 != main_~x~0#1; 85#L17 assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_#t~nondet1#1 := 0; 89#L17-4 [2022-12-13 16:30:23,869 INFO L750 eck$LassoCheckResult]: Loop: 89#L17-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 94#L16-2 assume !!(main_~x~0#1 > 5); 95#L16 assume 10 != main_~x~0#1; 90#L17 assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_#t~nondet1#1 := 0; 89#L17-4 [2022-12-13 16:30:23,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:23,869 INFO L85 PathProgramCache]: Analyzing trace with hash 28699755, now seen corresponding path program 1 times [2022-12-13 16:30:23,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:23,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872679456] [2022-12-13 16:30:23,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:23,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:23,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:30:23,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:30:23,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872679456] [2022-12-13 16:30:23,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872679456] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:30:23,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:30:23,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:30:23,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345250953] [2022-12-13 16:30:23,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:30:23,908 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 16:30:23,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:23,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1709109, now seen corresponding path program 1 times [2022-12-13 16:30:23,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:23,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154179461] [2022-12-13 16:30:23,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:23,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:23,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:30:23,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:30:23,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154179461] [2022-12-13 16:30:23,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154179461] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:30:23,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:30:23,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:30:23,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987193592] [2022-12-13 16:30:23,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:30:23,934 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 16:30:23,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:30:23,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:30:23,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:30:23,937 INFO L87 Difference]: Start difference. First operand 13 states and 19 transitions. cyclomatic complexity: 8 Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:30:23,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:30:23,949 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2022-12-13 16:30:23,949 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2022-12-13 16:30:23,950 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-12-13 16:30:23,950 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 17 transitions. [2022-12-13 16:30:23,950 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-12-13 16:30:23,950 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-12-13 16:30:23,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2022-12-13 16:30:23,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 16:30:23,951 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-12-13 16:30:23,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2022-12-13 16:30:23,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 11. [2022-12-13 16:30:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 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) [2022-12-13 16:30:23,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-12-13 16:30:23,952 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-12-13 16:30:23,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:30:23,953 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-12-13 16:30:23,953 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 16:30:23,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2022-12-13 16:30:23,954 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 16:30:23,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 16:30:23,954 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 16:30:23,954 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 16:30:23,955 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 16:30:23,955 INFO L748 eck$LassoCheckResult]: Stem: 124#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 125#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 128#L16-2 assume !!(main_~x~0#1 > 5); 118#L16 assume 10 != main_~x~0#1; 119#L17 [2022-12-13 16:30:23,955 INFO L750 eck$LassoCheckResult]: Loop: 119#L17 assume !(0 == main_~x~0#1 || 0 == main_~x~0#1 - 1); 122#L17-2 assume !(main_~x~0#1 == main_~x~0#1 - 1);main_#t~nondet1#1 := ~bitwiseAnd(main_~x~0#1, main_~x~0#1 - 1);assume (main_~x~0#1 < 0 || main_~x~0#1 - 1 < 0) || (main_#t~nondet1#1 <= main_~x~0#1 && main_#t~nondet1#1 <= main_~x~0#1 - 1);assume (main_~x~0#1 < 0 && main_~x~0#1 - 1 < 0) || main_#t~nondet1#1 >= 0;assume (main_~x~0#1 >= 0 && main_~x~0#1 - 1 >= 0) || main_#t~nondet1#1 > main_~x~0#1 + (main_~x~0#1 - 1); 123#L17-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 126#L16-2 assume !!(main_~x~0#1 > 5); 127#L16 assume 10 != main_~x~0#1; 119#L17 [2022-12-13 16:30:23,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:23,955 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2022-12-13 16:30:23,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:23,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628925048] [2022-12-13 16:30:23,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:23,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:30:23,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:30:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:30:23,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:30:23,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:23,962 INFO L85 PathProgramCache]: Analyzing trace with hash 46916375, now seen corresponding path program 1 times [2022-12-13 16:30:23,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:23,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502019654] [2022-12-13 16:30:23,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:23,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:30:23,969 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:30:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:30:23,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:30:23,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:23,974 INFO L85 PathProgramCache]: Analyzing trace with hash 585841106, now seen corresponding path program 1 times [2022-12-13 16:30:23,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:23,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549326920] [2022-12-13 16:30:23,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:23,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:30:23,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:30:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:30:23,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:30:24,055 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 16:30:24,055 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 16:30:24,055 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 16:30:24,055 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 16:30:24,055 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 16:30:24,055 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,055 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 16:30:24,056 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 16:30:24,056 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-04.c_Iteration3_Loop [2022-12-13 16:30:24,056 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 16:30:24,056 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 16:30:24,057 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:30:24,066 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:30:24,116 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 16:30:24,116 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 16:30:24,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,117 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 16:30:24,120 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 16:30:24,120 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:30:24,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 16:30:24,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,144 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 16:30:24,146 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 16:30:24,146 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:30:24,230 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 16:30:24,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 16:30:24,234 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 16:30:24,234 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 16:30:24,234 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 16:30:24,234 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 16:30:24,234 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 16:30:24,234 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,234 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 16:30:24,234 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 16:30:24,234 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-04.c_Iteration3_Loop [2022-12-13 16:30:24,235 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 16:30:24,235 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 16:30:24,236 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:30:24,244 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:30:24,293 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 16:30:24,294 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 16:30:24,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,295 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 16:30:24,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:24,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:24,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:24,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:24,310 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-12-13 16:30:24,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:30:24,313 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-12-13 16:30:24,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:24,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:24,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 16:30:24,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,323 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 16:30:24,326 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 [2022-12-13 16:30:24,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:24,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:24,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:24,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:24,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:30:24,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:30:24,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:24,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:24,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-12-13 16:30:24,342 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-12-13 16:30:24,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,343 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 16:30:24,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:24,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:24,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:24,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:24,356 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-12-13 16:30:24,356 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 16:30:24,360 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-12-13 16:30:24,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:24,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:24,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-12-13 16:30:24,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,372 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 16:30:24,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:24,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:24,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:24,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:24,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:24,385 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 16:30:24,386 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 16:30:24,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:24,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:24,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 16:30:24,391 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-12-13 16:30:24,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,393 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 16:30:24,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:24,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:24,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:24,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:24,406 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-12-13 16:30:24,406 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 16:30:24,411 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-12-13 16:30:24,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:24,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:24,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 16:30:24,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,425 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 16:30:24,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:24,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:24,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:24,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:24,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:24,438 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 16:30:24,439 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 16:30:24,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:24,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:24,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 16:30:24,443 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-12-13 16:30:24,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,445 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 16:30:24,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:24,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:24,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:24,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:24,458 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-12-13 16:30:24,458 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 16:30:24,463 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-12-13 16:30:24,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:24,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:24,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 16:30:24,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,479 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 16:30:24,487 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 [2022-12-13 16:30:24,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-12-13 16:30:24,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:24,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:24,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:24,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:24,500 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 16:30:24,501 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 16:30:24,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:24,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:24,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-12-13 16:30:24,506 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-12-13 16:30:24,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,507 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 16:30:24,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:24,520 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 16:30:24,520 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 16:30:24,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:24,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:24,520 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-12-13 16:30:24,520 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 16:30:24,526 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-12-13 16:30:24,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:24,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:24,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 16:30:24,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,544 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 16:30:24,547 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 [2022-12-13 16:30:24,557 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 16:30:24,557 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 16:30:24,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:24,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:24,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:24,557 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 16:30:24,558 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 16:30:24,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:24,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:24,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 16:30:24,564 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-12-13 16:30:24,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,566 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 16:30:24,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:24,578 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 16:30:24,578 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-12-13 16:30:24,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:24,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:24,579 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-12-13 16:30:24,579 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 16:30:24,586 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-12-13 16:30:24,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:24,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:24,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-12-13 16:30:24,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,613 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 16:30:24,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:24,627 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 16:30:24,627 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-12-13 16:30:24,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:24,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:24,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:24,628 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 16:30:24,629 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 16:30:24,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:24,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:24,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-12-13 16:30:24,636 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-12-13 16:30:24,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,638 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 16:30:24,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:24,650 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 16:30:24,650 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 16:30:24,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:24,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:24,651 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-12-13 16:30:24,651 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 16:30:24,659 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-12-13 16:30:24,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:24,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:24,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-12-13 16:30:24,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,694 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 16:30:24,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:24,706 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 16:30:24,706 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 16:30:24,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:24,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:24,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:24,707 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 16:30:24,709 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 16:30:24,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:24,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:24,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 16:30:24,717 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-12-13 16:30:24,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,718 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 16:30:24,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:24,730 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 16:30:24,731 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 16:30:24,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:24,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:24,731 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-12-13 16:30:24,731 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 16:30:24,734 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-12-13 16:30:24,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:24,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:24,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-12-13 16:30:24,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,750 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 16:30:24,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:24,762 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 16:30:24,762 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 16:30:24,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:24,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:24,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:24,763 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 16:30:24,763 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 16:30:24,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:24,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:24,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-12-13 16:30:24,768 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-12-13 16:30:24,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,769 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 16:30:24,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:24,782 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 16:30:24,782 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 16:30:24,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:24,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:24,782 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-12-13 16:30:24,782 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-12-13 16:30:24,788 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2022-12-13 16:30:24,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:24,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:24,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-12-13 16:30:24,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,812 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 16:30:24,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:24,825 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 16:30:24,825 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 16:30:24,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:24,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:24,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:24,825 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-12-13 16:30:24,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 16:30:24,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:24,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:24,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-12-13 16:30:24,843 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 16:30:24,843 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 16:30:24,843 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 16:30:24,843 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 16:30:24,843 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 16:30:24,843 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,843 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 16:30:24,843 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 16:30:24,843 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-04.c_Iteration3_Lasso [2022-12-13 16:30:24,843 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 16:30:24,843 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 16:30:24,844 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:30:24,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:30:24,856 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:30:24,857 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:30:24,921 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 16:30:24,921 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 16:30:24,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,922 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-12-13 16:30:24,924 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 16:30:24,924 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:30:24,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-12-13 16:30:24,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:24,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:24,945 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:24,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-12-13 16:30:24,947 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 16:30:24,947 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 16:30:25,036 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 16:30:25,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-12-13 16:30:25,039 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 16:30:25,039 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 16:30:25,039 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 16:30:25,039 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 16:30:25,039 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 16:30:25,039 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:25,039 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 16:30:25,039 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 16:30:25,039 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-04.c_Iteration3_Lasso [2022-12-13 16:30:25,040 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 16:30:25,040 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 16:30:25,040 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:30:25,042 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:30:25,051 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:30:25,052 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:30:25,105 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 16:30:25,105 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 16:30:25,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:25,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:25,106 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:25,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-12-13 16:30:25,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:25,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:25,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:25,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:25,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:25,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:30:25,120 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:30:25,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:25,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:25,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-12-13 16:30:25,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:25,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:25,125 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:25,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-12-13 16:30:25,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:25,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:25,137 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-12-13 16:30:25,137 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-12-13 16:30:25,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:30:25,150 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2022-12-13 16:30:25,150 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-12-13 16:30:25,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:25,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-12-13 16:30:25,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:25,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:25,197 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:25,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-12-13 16:30:25,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:25,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:25,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:25,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:25,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:25,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:30:25,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:30:25,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:25,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:25,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-12-13 16:30:25,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:25,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:25,215 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:25,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-12-13 16:30:25,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:25,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:25,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:25,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:25,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:25,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:30:25,228 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:30:25,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:25,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:25,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-12-13 16:30:25,232 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-12-13 16:30:25,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:25,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:25,233 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:25,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-12-13 16:30:25,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:25,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:25,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:25,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:25,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:25,246 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 16:30:25,246 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 16:30:25,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:25,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:25,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-12-13 16:30:25,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:25,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:25,251 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:25,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-12-13 16:30:25,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:25,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:25,263 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-12-13 16:30:25,263 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-12-13 16:30:25,263 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 16:30:25,281 INFO L401 nArgumentSynthesizer]: We have 84 Motzkin's Theorem applications. [2022-12-13 16:30:25,281 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-12-13 16:30:25,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:25,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-12-13 16:30:25,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:25,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:25,345 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:25,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-12-13 16:30:25,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:25,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:25,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:25,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:25,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:25,358 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 16:30:25,358 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 16:30:25,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:25,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:25,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-12-13 16:30:25,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:25,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:25,363 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:25,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-12-13 16:30:25,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:25,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:25,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:25,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:25,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:25,376 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 16:30:25,376 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 16:30:25,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:25,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:25,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-12-13 16:30:25,380 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-12-13 16:30:25,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:25,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:25,381 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:25,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-12-13 16:30:25,383 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 [2022-12-13 16:30:25,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:25,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:25,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:25,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:25,394 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 16:30:25,394 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 16:30:25,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:25,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:25,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-12-13 16:30:25,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:25,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:25,399 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:25,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-12-13 16:30:25,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:25,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:25,412 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-12-13 16:30:25,412 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-12-13 16:30:25,412 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 16:30:25,434 INFO L401 nArgumentSynthesizer]: We have 112 Motzkin's Theorem applications. [2022-12-13 16:30:25,434 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2022-12-13 16:30:25,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:25,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-12-13 16:30:25,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:25,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:25,510 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:25,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-12-13 16:30:25,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:25,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:25,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:25,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:25,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:25,523 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 16:30:25,523 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 16:30:25,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:25,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:25,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-12-13 16:30:25,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:25,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:25,528 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:25,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-12-13 16:30:25,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:25,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:25,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:25,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:25,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:25,541 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 16:30:25,542 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 16:30:25,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:25,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:25,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-12-13 16:30:25,546 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-12-13 16:30:25,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:25,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:25,547 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:25,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-12-13 16:30:25,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:25,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:25,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:25,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:25,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:25,559 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 16:30:25,560 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 16:30:25,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:25,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:25,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-12-13 16:30:25,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:25,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:25,565 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:25,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-12-13 16:30:25,567 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 [2022-12-13 16:30:25,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:25,577 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-12-13 16:30:25,577 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-12-13 16:30:25,577 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 16:30:25,603 INFO L401 nArgumentSynthesizer]: We have 140 Motzkin's Theorem applications. [2022-12-13 16:30:25,603 INFO L402 nArgumentSynthesizer]: A total of 20 supporting invariants were added. [2022-12-13 16:30:25,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:25,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-12-13 16:30:25,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:25,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:25,688 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:25,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-12-13 16:30:25,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:25,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:25,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:25,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:25,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:25,700 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 16:30:25,701 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 16:30:25,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:25,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:25,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-12-13 16:30:25,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:25,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:25,706 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:25,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-12-13 16:30:25,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:25,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:30:25,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:25,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:25,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:25,719 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 16:30:25,719 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 16:30:25,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:25,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:25,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-12-13 16:30:25,724 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-12-13 16:30:25,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:25,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:25,725 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:25,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-12-13 16:30:25,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:25,739 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 16:30:25,739 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 16:30:25,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:30:25,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:30:25,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:30:25,740 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 16:30:25,740 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 16:30:25,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:30:25,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:30:25,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-12-13 16:30:25,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:25,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:25,746 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:25,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-12-13 16:30:25,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 16:30:25,759 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 16:30:25,759 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 16:30:25,759 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-12-13 16:30:25,759 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-12-13 16:30:25,759 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 16:30:25,773 INFO L401 nArgumentSynthesizer]: We have 84 Motzkin's Theorem applications. [2022-12-13 16:30:25,773 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-12-13 16:30:25,879 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 16:30:25,999 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-12-13 16:30:25,999 INFO L444 ModelExtractionUtils]: 4 out of 30 variables were initially zero. Simplification set additionally 20 variables to zero. [2022-12-13 16:30:25,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:30:26,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:26,000 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:26,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-12-13 16:30:26,002 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 16:30:26,021 INFO L438 nArgumentSynthesizer]: Removed 11 redundant supporting invariants from a total of 12. [2022-12-13 16:30:26,021 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 16:30:26,021 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-phase ranking function: f0 = 1*ULTIMATE.start_main_~x~0#1 f1 = -1*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~x~0#1 >= 0] [2022-12-13 16:30:26,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-12-13 16:30:26,029 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-12-13 16:30:26,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:26,057 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 16:30:26,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:30:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:26,076 WARN L261 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 16:30:26,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:30:26,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-12-13 16:30:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:30:26,219 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2022-12-13 16:30:26,220 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:30:26,324 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 23 transitions. Complement of second has 8 states. [2022-12-13 16:30:26,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2022-12-13 16:30:26,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:30:26,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2022-12-13 16:30:26,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 4 letters. Loop has 5 letters. [2022-12-13 16:30:26,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:30:26,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 9 letters. Loop has 5 letters. [2022-12-13 16:30:26,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:30:26,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 4 letters. Loop has 10 letters. [2022-12-13 16:30:26,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:30:26,328 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2022-12-13 16:30:26,328 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 16:30:26,329 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2022-12-13 16:30:26,329 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 16:30:26,329 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 16:30:26,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 16:30:26,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:30:26,329 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 16:30:26,329 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 16:30:26,329 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 16:30:26,329 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 16:30:26,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 16:30:26,329 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 16:30:26,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 16:30:26,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 04:30:26 BoogieIcfgContainer [2022-12-13 16:30:26,336 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 16:30:26,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:30:26,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:30:26,337 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:30:26,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:30:23" (3/4) ... [2022-12-13 16:30:26,339 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 16:30:26,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:30:26,340 INFO L158 Benchmark]: Toolchain (without parser) took 3420.68ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 87.2MB in the beginning and 102.9MB in the end (delta: -15.6MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2022-12-13 16:30:26,340 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:30:26,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 139.28ms. Allocated memory is still 123.7MB. Free memory was 87.2MB in the beginning and 78.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 16:30:26,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.10ms. Allocated memory is still 123.7MB. Free memory was 78.2MB in the beginning and 76.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:30:26,341 INFO L158 Benchmark]: Boogie Preprocessor took 13.63ms. Allocated memory is still 123.7MB. Free memory was 76.7MB in the beginning and 75.7MB in the end (delta: 960.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:30:26,342 INFO L158 Benchmark]: RCFGBuilder took 168.83ms. Allocated memory is still 123.7MB. Free memory was 75.7MB in the beginning and 67.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 16:30:26,342 INFO L158 Benchmark]: BuchiAutomizer took 3070.69ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 67.0MB in the beginning and 103.9MB in the end (delta: -36.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:30:26,342 INFO L158 Benchmark]: Witness Printer took 3.02ms. Allocated memory is still 159.4MB. Free memory was 103.9MB in the beginning and 102.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:30:26,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 139.28ms. Allocated memory is still 123.7MB. Free memory was 87.2MB in the beginning and 78.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.10ms. Allocated memory is still 123.7MB. Free memory was 78.2MB in the beginning and 76.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.63ms. Allocated memory is still 123.7MB. Free memory was 76.7MB in the beginning and 75.7MB in the end (delta: 960.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 168.83ms. Allocated memory is still 123.7MB. Free memory was 75.7MB in the beginning and 67.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3070.69ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 67.0MB in the beginning and 103.9MB in the end (delta: -36.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.02ms. Allocated memory is still 159.4MB. Free memory was 103.9MB in the beginning and 102.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. One deterministic module has 2-phase ranking function (if x > 0 then 1 else 0), (if x > 0 then x else -1 * x) and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 13 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI1 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq151 hnf96 smp100 dnf175 smp90 tf105 neg93 sie127 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 118ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 4 SupportingInvariants: 20 MotzkinApplications: 140 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 16:30:26,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0638e775-32f1-45d0-9ee6-64b54d555817/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE