./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-05.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a --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 48505588d7e651383dbb51501a7ba8151dafe2f0aaf2cdca9e989876f7735131 --- 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-b5237d8 [2022-11-21 16:25:57,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:25:57,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:25:57,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:25:57,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:25:57,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:25:57,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:25:57,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:25:57,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:25:57,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:25:57,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:25:57,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:25:57,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:25:57,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:25:57,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:25:57,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:25:57,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:25:57,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:25:57,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:25:57,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:25:57,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:25:57,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:25:57,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:25:57,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:25:57,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:25:57,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:25:57,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:25:57,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:25:57,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:25:57,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:25:57,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:25:57,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:25:57,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:25:57,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:25:57,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:25:57,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:25:57,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:25:57,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:25:57,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:25:57,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:25:57,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:25:57,859 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-21 16:25:57,888 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:25:57,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:25:57,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:25:57,891 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:25:57,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:25:57,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:25:57,893 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:25:57,894 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 16:25:57,894 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 16:25:57,895 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 16:25:57,896 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 16:25:57,896 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 16:25:57,897 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 16:25:57,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:25:57,897 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:25:57,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:25:57,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:25:57,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 16:25:57,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 16:25:57,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 16:25:57,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:25:57,905 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 16:25:57,905 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:25:57,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 16:25:57,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:25:57,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:25:57,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:25:57,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:25:57,908 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 16:25:57,909 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48505588d7e651383dbb51501a7ba8151dafe2f0aaf2cdca9e989876f7735131 [2022-11-21 16:25:58,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:25:58,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:25:58,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:25:58,256 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:25:58,256 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:25:58,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/termination-bwb/and-05.c [2022-11-21 16:26:01,311 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:26:01,508 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:26:01,508 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/sv-benchmarks/c/termination-bwb/and-05.c [2022-11-21 16:26:01,514 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/data/3a022c509/c380f55b98a043babe56ff3b6ac1182c/FLAG2f089b050 [2022-11-21 16:26:01,532 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/data/3a022c509/c380f55b98a043babe56ff3b6ac1182c [2022-11-21 16:26:01,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:26:01,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:26:01,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:26:01,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:26:01,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:26:01,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:26:01" (1/1) ... [2022-11-21 16:26:01,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb384ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:01, skipping insertion in model container [2022-11-21 16:26:01,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:26:01" (1/1) ... [2022-11-21 16:26:01,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:26:01,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:26:01,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:26:01,792 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:26:01,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:26:01,823 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:26:01,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:01 WrapperNode [2022-11-21 16:26:01,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:26:01,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:26:01,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:26:01,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:26:01,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:01" (1/1) ... [2022-11-21 16:26:01,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:01" (1/1) ... [2022-11-21 16:26:01,864 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2022-11-21 16:26:01,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:26:01,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:26:01,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:26:01,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:26:01,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:01" (1/1) ... [2022-11-21 16:26:01,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:01" (1/1) ... [2022-11-21 16:26:01,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:01" (1/1) ... [2022-11-21 16:26:01,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:01" (1/1) ... [2022-11-21 16:26:01,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:01" (1/1) ... [2022-11-21 16:26:01,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:01" (1/1) ... [2022-11-21 16:26:01,889 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:01" (1/1) ... [2022-11-21 16:26:01,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:01" (1/1) ... [2022-11-21 16:26:01,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:26:01,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:26:01,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:26:01,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:26:01,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:01" (1/1) ... [2022-11-21 16:26:01,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:01,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:01,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:01,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 16:26:01,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:26:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:26:02,023 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:26:02,025 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:26:02,167 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:26:02,175 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:26:02,175 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 16:26:02,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:26:02 BoogieIcfgContainer [2022-11-21 16:26:02,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:26:02,179 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 16:26:02,179 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 16:26:02,183 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 16:26:02,184 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:26:02,184 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 04:26:01" (1/3) ... [2022-11-21 16:26:02,187 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22ef9974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:26:02, skipping insertion in model container [2022-11-21 16:26:02,187 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:26:02,188 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:26:01" (2/3) ... [2022-11-21 16:26:02,189 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22ef9974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:26:02, skipping insertion in model container [2022-11-21 16:26:02,189 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:26:02,189 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:26:02" (3/3) ... [2022-11-21 16:26:02,193 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-05.c [2022-11-21 16:26:02,273 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 16:26:02,273 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 16:26:02,273 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 16:26:02,273 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 16:26:02,273 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 16:26:02,274 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 16:26:02,274 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 16:26:02,274 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 16:26:02,278 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2022-11-21 16:26:02,296 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 16:26:02,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:26:02,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:26:02,301 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-21 16:26:02,302 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 16:26:02,302 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 16:26:02,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2022-11-21 16:26:02,304 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 16:26:02,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:26:02,305 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:26:02,305 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-21 16:26:02,305 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-21 16:26:02,312 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#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_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 7#L16-2true [2022-11-21 16:26:02,313 INFO L750 eck$LassoCheckResult]: Loop: 7#L16-2true assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 3#L17true assume 0 == main_~x~0#1 - 1 || 0 == main_~y~0#1;main_#t~nondet2#1 := 0; 10#L17-4true main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 7#L16-2true [2022-11-21 16:26:02,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:02,325 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-21 16:26:02,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:26:02,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828461615] [2022-11-21 16:26:02,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:26:02,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:26:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:02,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:26:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:02,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:26:02,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:02,453 INFO L85 PathProgramCache]: Analyzing trace with hash 40819, now seen corresponding path program 1 times [2022-11-21 16:26:02,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:26:02,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657105807] [2022-11-21 16:26:02,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:26:02,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:26:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:02,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:26:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:02,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:26:02,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:02,509 INFO L85 PathProgramCache]: Analyzing trace with hash 28699761, now seen corresponding path program 1 times [2022-11-21 16:26:02,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:26:02,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336843011] [2022-11-21 16:26:02,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:26:02,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:26:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:02,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:26:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:02,526 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:26:02,655 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:26:02,656 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:26:02,656 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:26:02,656 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:26:02,656 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 16:26:02,657 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:02,657 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:26:02,657 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:26:02,657 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration1_Loop [2022-11-21 16:26:02,657 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:26:02,657 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:26:02,672 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:02,708 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:02,764 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:26:02,765 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 16:26:02,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:02,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:02,789 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:02,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:26:02,810 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:26:02,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-21 16:26:02,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:02,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:02,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:02,850 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:02,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-21 16:26:02,861 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 16:26:02,861 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:26:02,947 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 16:26:02,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:02,950 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:26:02,951 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:26:02,951 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:26:02,951 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:26:02,951 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 16:26:02,951 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:02,951 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:26:02,951 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:26:02,951 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration1_Loop [2022-11-21 16:26:02,952 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:26:02,952 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:26:02,953 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:02,977 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:03,034 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:26:03,038 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 16:26:03,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:03,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:03,046 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:03,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-21 16:26:03,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:03,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:03,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:03,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:03,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:03,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:26:03,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:26:03,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:03,097 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 16:26:03,112 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-21 16:26:03,112 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-11-21 16:26:03,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:03,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:03,147 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:03,154 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 16:26:03,155 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 16:26:03,155 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 16:26:03,156 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 [] [2022-11-21 16:26:03,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-21 16:26:03,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:03,169 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 16:26:03,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:26:03,211 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:26:03,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:26:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:26:03,228 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 16:26:03,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:26:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:26:03,365 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-21 16:26:03,368 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:26:03,465 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 54 transitions. Complement of second has 13 states. [2022-11-21 16:26:03,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2022-11-21 16:26:03,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:26:03,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 29 transitions. [2022-11-21 16:26:03,474 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 2 letters. Loop has 3 letters. [2022-11-21 16:26:03,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:26:03,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 5 letters. Loop has 3 letters. [2022-11-21 16:26:03,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:26:03,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 2 letters. Loop has 6 letters. [2022-11-21 16:26:03,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:26:03,477 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 54 transitions. [2022-11-21 16:26:03,479 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 16:26:03,483 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 20 states and 28 transitions. [2022-11-21 16:26:03,484 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-21 16:26:03,484 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-21 16:26:03,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 28 transitions. [2022-11-21 16:26:03,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 16:26:03,485 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 28 transitions. [2022-11-21 16:26:03,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 28 transitions. [2022-11-21 16:26:03,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2022-11-21 16:26:03,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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) [2022-11-21 16:26:03,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-11-21 16:26:03,513 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-21 16:26:03,513 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-21 16:26:03,513 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 16:26:03,513 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-11-21 16:26:03,514 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 16:26:03,514 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:26:03,514 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:26:03,514 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-21 16:26:03,514 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-21 16:26:03,515 INFO L748 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 113#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_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 116#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 109#L17 [2022-11-21 16:26:03,515 INFO L750 eck$LassoCheckResult]: Loop: 109#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 105#L17-2 assume main_~x~0#1 - 1 == main_~y~0#1;main_#t~nondet2#1 := main_~x~0#1 - 1; 106#L17-4 main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 114#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 109#L17 [2022-11-21 16:26:03,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:03,515 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-21 16:26:03,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:26:03,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821219058] [2022-11-21 16:26:03,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:26:03,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:26:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:03,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:26:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:03,530 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:26:03,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:03,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1419160, now seen corresponding path program 1 times [2022-11-21 16:26:03,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:26:03,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244009647] [2022-11-21 16:26:03,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:26:03,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:26:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:03,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:26:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:03,546 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:26:03,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:03,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1810723007, now seen corresponding path program 1 times [2022-11-21 16:26:03,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:26:03,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499442202] [2022-11-21 16:26:03,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:26:03,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:26:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:03,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:26:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:03,562 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:26:03,600 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:26:03,600 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:26:03,600 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:26:03,600 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:26:03,600 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 16:26:03,601 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:03,601 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:26:03,601 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:26:03,601 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration2_Loop [2022-11-21 16:26:03,601 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:26:03,601 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:26:03,603 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:03,612 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:03,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:03,664 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:26:03,664 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 16:26:03,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:03,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:03,671 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:03,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-21 16:26:03,679 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:26:03,679 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:26:03,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:03,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:03,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:03,707 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:03,711 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 16:26:03,712 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:26:03,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-21 16:26:03,851 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 16:26:03,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:03,857 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:26:03,857 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:26:03,857 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:26:03,857 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:26:03,858 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 16:26:03,858 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:03,858 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:26:03,858 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:26:03,858 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration2_Loop [2022-11-21 16:26:03,858 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:26:03,858 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:26:03,860 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:03,876 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:03,912 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:26:03,912 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 16:26:03,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:03,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:03,915 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:03,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:03,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:03,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:03,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:03,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:03,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:26:03,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:26:03,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:03,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-21 16:26:03,945 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 16:26:03,950 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-21 16:26:03,950 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-21 16:26:03,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:03,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:03,952 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:03,965 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 16:26:03,965 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 16:26:03,966 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 16:26:03,966 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 [] [2022-11-21 16:26:03,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-21 16:26:03,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:03,976 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 16:26:03,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:26:03,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:26:04,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:26:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:26:04,012 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 16:26:04,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:26:04,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:26:04,064 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-21 16:26:04,064 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:26:04,125 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 43 transitions. Complement of second has 9 states. [2022-11-21 16:26:04,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-21 16:26:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:26:04,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2022-11-21 16:26:04,127 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. [2022-11-21 16:26:04,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:26:04,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-21 16:26:04,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:26:04,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 3 letters. Loop has 8 letters. [2022-11-21 16:26:04,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:26:04,128 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2022-11-21 16:26:04,130 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 16:26:04,131 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 27 states and 36 transitions. [2022-11-21 16:26:04,131 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-21 16:26:04,133 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-21 16:26:04,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 36 transitions. [2022-11-21 16:26:04,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 16:26:04,133 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 36 transitions. [2022-11-21 16:26:04,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 36 transitions. [2022-11-21 16:26:04,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2022-11-21 16:26:04,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 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) [2022-11-21 16:26:04,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2022-11-21 16:26:04,143 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-11-21 16:26:04,143 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-11-21 16:26:04,143 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-21 16:26:04,143 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2022-11-21 16:26:04,147 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 16:26:04,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:26:04,148 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:26:04,148 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-21 16:26:04,148 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-21 16:26:04,149 INFO L748 eck$LassoCheckResult]: Stem: 210#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 211#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_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 215#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 201#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 203#L17-2 assume !(main_~x~0#1 - 1 == main_~y~0#1);main_#t~nondet2#1 := ~bitwiseAnd(main_~x~0#1 - 1, main_~y~0#1);assume (main_~x~0#1 - 1 < 0 || main_~y~0#1 < 0) || (main_#t~nondet2#1 <= main_~x~0#1 - 1 && main_#t~nondet2#1 <= main_~y~0#1);assume (main_~x~0#1 - 1 < 0 && main_~y~0#1 < 0) || main_#t~nondet2#1 >= 0;assume (main_~x~0#1 - 1 >= 0 && main_~y~0#1 >= 0) || main_#t~nondet2#1 > main_~x~0#1 - 1 + main_~y~0#1; 207#L17-4 [2022-11-21 16:26:04,149 INFO L750 eck$LassoCheckResult]: Loop: 207#L17-4 main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 212#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 213#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 217#L17-2 assume main_~x~0#1 - 1 == main_~y~0#1;main_#t~nondet2#1 := main_~x~0#1 - 1; 207#L17-4 [2022-11-21 16:26:04,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:04,150 INFO L85 PathProgramCache]: Analyzing trace with hash 28699821, now seen corresponding path program 1 times [2022-11-21 16:26:04,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:26:04,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937731899] [2022-11-21 16:26:04,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:26:04,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:26:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:04,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:26:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:04,186 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:26:04,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:04,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1619800, now seen corresponding path program 2 times [2022-11-21 16:26:04,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:26:04,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98513233] [2022-11-21 16:26:04,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:26:04,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:26:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:04,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:26:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:04,214 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:26:04,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:04,216 INFO L85 PathProgramCache]: Analyzing trace with hash 644902404, now seen corresponding path program 1 times [2022-11-21 16:26:04,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:26:04,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061353332] [2022-11-21 16:26:04,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:26:04,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:26:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:26:04,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:26:04,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:26:04,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061353332] [2022-11-21 16:26:04,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061353332] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:26:04,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425535488] [2022-11-21 16:26:04,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:26:04,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:26:04,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:04,396 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:26:04,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-21 16:26:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:26:04,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 16:26:04,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:26:04,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:26:04,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:26:04,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:26:04,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425535488] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:26:04,577 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:26:04,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-11-21 16:26:04,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859078728] [2022-11-21 16:26:04,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:26:04,619 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:26:04,619 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:26:04,620 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:26:04,620 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:26:04,620 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 16:26:04,620 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:04,620 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:26:04,620 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:26:04,620 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Loop [2022-11-21 16:26:04,620 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:26:04,621 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:26:04,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:04,662 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:26:04,662 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 16:26:04,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:04,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:04,666 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:04,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-21 16:26:04,670 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:26:04,674 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:26:04,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:04,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:04,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:04,736 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:04,769 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 16:26:04,769 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:26:04,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-21 16:26:09,144 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 16:26:09,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-11-21 16:26:09,148 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:26:09,148 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:26:09,148 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:26:09,149 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:26:09,149 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 16:26:09,149 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:09,149 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:26:09,149 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:26:09,149 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Loop [2022-11-21 16:26:09,149 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:26:09,149 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:26:09,150 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:09,202 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:26:09,203 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 16:26:09,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:09,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:09,204 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:09,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:09,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:09,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:09,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:09,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:09,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:26:09,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-21 16:26:09,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:26:09,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:09,233 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 16:26:09,239 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-21 16:26:09,239 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-11-21 16:26:09,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:09,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:09,246 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:09,252 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 16:26:09,252 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 16:26:09,252 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 16:26:09,252 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~nondet2#1) = 1*ULTIMATE.start_main_#t~nondet2#1 Supporting invariants [] [2022-11-21 16:26:09,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-21 16:26:09,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:09,262 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 16:26:09,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:26:09,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:26:09,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:26:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:26:09,302 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 16:26:09,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:26:09,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:26:09,340 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-21 16:26:09,340 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 33 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2022-11-21 16:26:09,371 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 33 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 57 states and 77 transitions. Complement of second has 7 states. [2022-11-21 16:26:09,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-21 16:26:09,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2022-11-21 16:26:09,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2022-11-21 16:26:09,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-21 16:26:09,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:26:09,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2022-11-21 16:26:09,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:26:09,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 5 letters. Loop has 8 letters. [2022-11-21 16:26:09,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:26:09,376 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 77 transitions. [2022-11-21 16:26:09,378 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-21 16:26:09,378 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 55 states and 75 transitions. [2022-11-21 16:26:09,378 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-11-21 16:26:09,379 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-11-21 16:26:09,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 75 transitions. [2022-11-21 16:26:09,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 16:26:09,379 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 75 transitions. [2022-11-21 16:26:09,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 75 transitions. [2022-11-21 16:26:09,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2022-11-21 16:26:09,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 52 states have internal predecessors, (73), 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) [2022-11-21 16:26:09,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 73 transitions. [2022-11-21 16:26:09,383 INFO L240 hiAutomatonCegarLoop]: Abstraction has 53 states and 73 transitions. [2022-11-21 16:26:09,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:26:09,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:26:09,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:26:09,387 INFO L87 Difference]: Start difference. First operand 53 states and 73 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 9 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) [2022-11-21 16:26:09,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:26:09,459 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2022-11-21 16:26:09,459 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 70 transitions. [2022-11-21 16:26:09,462 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 16:26:09,463 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 48 states and 61 transitions. [2022-11-21 16:26:09,463 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-21 16:26:09,464 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2022-11-21 16:26:09,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 61 transitions. [2022-11-21 16:26:09,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 16:26:09,464 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 61 transitions. [2022-11-21 16:26:09,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 61 transitions. [2022-11-21 16:26:09,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 30. [2022-11-21 16:26:09,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 29 states have internal predecessors, (41), 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) [2022-11-21 16:26:09,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions. [2022-11-21 16:26:09,474 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 41 transitions. [2022-11-21 16:26:09,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:26:09,475 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2022-11-21 16:26:09,475 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-21 16:26:09,475 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 41 transitions. [2022-11-21 16:26:09,476 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 16:26:09,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:26:09,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:26:09,478 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-21 16:26:09,478 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-21 16:26:09,478 INFO L748 eck$LassoCheckResult]: Stem: 508#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 509#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_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 513#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 516#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 502#L17-2 [2022-11-21 16:26:09,478 INFO L750 eck$LassoCheckResult]: Loop: 502#L17-2 assume !(main_~x~0#1 - 1 == main_~y~0#1);main_#t~nondet2#1 := ~bitwiseAnd(main_~x~0#1 - 1, main_~y~0#1);assume (main_~x~0#1 - 1 < 0 || main_~y~0#1 < 0) || (main_#t~nondet2#1 <= main_~x~0#1 - 1 && main_#t~nondet2#1 <= main_~y~0#1);assume (main_~x~0#1 - 1 < 0 && main_~y~0#1 < 0) || main_#t~nondet2#1 >= 0;assume (main_~x~0#1 - 1 >= 0 && main_~y~0#1 >= 0) || main_#t~nondet2#1 > main_~x~0#1 - 1 + main_~y~0#1; 503#L17-4 main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 510#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 506#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 502#L17-2 [2022-11-21 16:26:09,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:09,479 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2022-11-21 16:26:09,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:26:09,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932460057] [2022-11-21 16:26:09,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:26:09,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:26:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:09,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:26:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:09,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:26:09,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:09,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1571592, now seen corresponding path program 1 times [2022-11-21 16:26:09,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:26:09,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226680197] [2022-11-21 16:26:09,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:26:09,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:26:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:09,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:26:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:09,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:26:09,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:26:09,499 INFO L85 PathProgramCache]: Analyzing trace with hash 297897967, now seen corresponding path program 1 times [2022-11-21 16:26:09,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:26:09,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385558744] [2022-11-21 16:26:09,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:26:09,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:26:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:09,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:26:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:26:09,511 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:26:09,598 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:26:09,598 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:26:09,599 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:26:09,599 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:26:09,599 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 16:26:09,599 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:09,599 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:26:09,599 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:26:09,599 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Loop [2022-11-21 16:26:09,599 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:26:09,600 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:26:09,601 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:09,622 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:09,725 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:26:09,726 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 16:26:09,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:09,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:09,727 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:09,736 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:26:09,736 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:26:09,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-21 16:26:09,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:09,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:09,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:09,782 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:09,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-21 16:26:09,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 16:26:09,787 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:26:10,027 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 16:26:10,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:10,037 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:26:10,037 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:26:10,038 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:26:10,038 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:26:10,038 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 16:26:10,038 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:10,038 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:26:10,038 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:26:10,038 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Loop [2022-11-21 16:26:10,038 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:26:10,038 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:26:10,039 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:10,060 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:10,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:10,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:10,197 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:26:10,197 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 16:26:10,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:10,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:10,215 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:10,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-21 16:26:10,235 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 [2022-11-21 16:26:10,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:10,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:10,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:10,248 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:26:10,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:26:10,251 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 16:26:10,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:10,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:10,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-11-21 16:26:10,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:10,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:10,286 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:10,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:10,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:10,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:10,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:10,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:10,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:26:10,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:26:10,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:10,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-21 16:26:10,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:10,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:10,326 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-21 16:26:10,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:10,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:10,328 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:10,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-21 16:26:10,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:10,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:10,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:10,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:10,342 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:26:10,342 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:26:10,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:26:10,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:10,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:10,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:10,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:10,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:10,389 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:10,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:10,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:10,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:10,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:10,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:10,415 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:26:10,416 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 16:26:10,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:10,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-21 16:26:10,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:10,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:10,434 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-21 16:26:10,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:10,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:10,435 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:10,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:10,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:10,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:10,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:10,457 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:26:10,457 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 16:26:10,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-21 16:26:10,461 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-21 16:26:10,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:10,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:10,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:10,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:10,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:10,491 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:10,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:10,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-21 16:26:10,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:10,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:10,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:10,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:10,512 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 16:26:10,513 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 16:26:10,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:10,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:10,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:10,531 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-21 16:26:10,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:10,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:10,533 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:10,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:10,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:10,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:10,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:10,550 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:26:10,550 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 16:26:10,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-21 16:26:10,554 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2022-11-21 16:26:10,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:10,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:10,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:10,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:10,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:10,580 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:10,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:10,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:10,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:10,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-21 16:26:10,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:10,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:10,598 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 16:26:10,599 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-21 16:26:10,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:10,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:10,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:10,618 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-21 16:26:10,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:10,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:10,619 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:10,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:10,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-21 16:26:10,636 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 16:26:10,636 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 16:26:10,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:10,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:10,637 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:26:10,637 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:26:10,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:26:10,641 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:10,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:10,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:10,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:10,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:10,661 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:10,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:10,678 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 16:26:10,678 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 16:26:10,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:10,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:10,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:10,679 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:26:10,680 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 16:26:10,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:10,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-21 16:26:10,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:10,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:10,715 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-21 16:26:10,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:10,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:10,716 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:10,721 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 [2022-11-21 16:26:10,734 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 16:26:10,734 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-21 16:26:10,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:10,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:10,734 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:26:10,734 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 16:26:10,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-21 16:26:10,741 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-21 16:26:10,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:10,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:10,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:10,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:10,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:10,788 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:10,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:10,806 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 16:26:10,806 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-21 16:26:10,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:10,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:10,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:10,807 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 16:26:10,809 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 16:26:10,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:10,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-21 16:26:10,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:10,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:10,834 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-21 16:26:10,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:10,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:10,836 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:10,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:10,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-21 16:26:10,853 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 16:26:10,853 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 16:26:10,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:10,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:10,854 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:26:10,854 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 16:26:10,861 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2022-11-21 16:26:10,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:10,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:10,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:10,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:10,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:10,902 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:10,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:10,924 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 16:26:10,924 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 16:26:10,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:10,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:10,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:10,925 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 16:26:10,928 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-21 16:26:10,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:10,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-21 16:26:10,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:10,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:10,971 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-21 16:26:10,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:10,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:10,972 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:10,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:10,992 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 16:26:10,992 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 16:26:10,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:10,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:10,993 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:26:10,993 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 16:26:10,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-21 16:26:10,997 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-21 16:26:10,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:11,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:11,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:11,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:11,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:11,031 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:11,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:11,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-21 16:26:11,048 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 16:26:11,048 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 16:26:11,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:11,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:11,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:11,049 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 16:26:11,050 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 16:26:11,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:11,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:11,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:11,082 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-21 16:26:11,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:11,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:11,086 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:11,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:11,103 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 16:26:11,103 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 16:26:11,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:11,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:11,103 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:26:11,104 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-21 16:26:11,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-21 16:26:11,110 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-21 16:26:11,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:11,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:11,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:11,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:11,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:11,141 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:11,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:11,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-21 16:26:11,158 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 16:26:11,159 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-21 16:26:11,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:11,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:11,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:11,159 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-21 16:26:11,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:26:11,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:11,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:11,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:11,222 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:26:11,222 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:26:11,222 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:26:11,222 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:26:11,222 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 16:26:11,222 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:11,222 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:26:11,223 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:26:11,223 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Lasso [2022-11-21 16:26:11,223 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:26:11,223 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:26:11,224 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:11,227 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:11,230 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:11,233 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:11,236 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:11,263 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:11,390 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:26:11,391 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 16:26:11,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:11,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:11,395 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:11,399 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:26:11,399 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:26:11,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-21 16:26:11,424 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:26:11,424 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~0#1=0} Honda state: {ULTIMATE.start_main_~res~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:26:11,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:11,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:11,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:11,433 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:11,437 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:26:11,437 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:26:11,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-21 16:26:11,464 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:26:11,465 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:26:11,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:11,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:11,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:11,474 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:11,479 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:26:11,479 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:26:11,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-21 16:26:11,517 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:26:11,517 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:26:11,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:11,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:11,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:11,527 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:11,531 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:26:11,531 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:26:11,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-21 16:26:11,555 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:26:11,555 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:26:11,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:11,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:11,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:11,562 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:11,566 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:26:11,566 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:26:11,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-21 16:26:11,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-21 16:26:11,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:11,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:11,609 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:11,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-21 16:26:11,615 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 16:26:11,615 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:26:11,769 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 16:26:11,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:11,773 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:26:11,773 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:26:11,773 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:26:11,773 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:26:11,773 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 16:26:11,773 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:11,773 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:26:11,773 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:26:11,773 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Lasso [2022-11-21 16:26:11,773 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:26:11,773 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:26:11,775 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:11,781 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:11,785 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:11,787 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:11,815 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:11,818 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:26:11,976 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:26:11,976 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 16:26:11,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:11,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:11,978 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:11,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:11,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-21 16:26:12,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:12,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:12,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:26:12,001 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:26:12,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:12,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,033 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:12,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:12,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:12,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:26:12,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-21 16:26:12,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:26:12,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:12,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,064 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:12,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:12,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:12,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:26:12,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-21 16:26:12,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:26:12,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:12,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,099 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:12,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,118 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:26:12,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:26:12,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-21 16:26:12,137 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-21 16:26:12,138 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-21 16:26:12,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,161 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:12,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:12,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:12,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:26:12,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:26:12,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:12,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-21 16:26:12,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,214 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:12,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:12,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:12,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:26:12,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:26:12,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:12,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-21 16:26:12,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,248 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-21 16:26:12,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,249 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,253 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 [2022-11-21 16:26:12,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:12,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:12,265 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:26:12,266 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 16:26:12,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:12,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-21 16:26:12,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,288 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:12,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:12,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:12,305 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:26:12,306 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 16:26:12,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:12,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-21 16:26:12,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,328 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:12,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:12,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:12,344 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:26:12,345 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 16:26:12,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:12,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-21 16:26:12,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,352 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:12,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,368 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:26:12,368 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:26:12,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-21 16:26:12,381 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2022-11-21 16:26:12,381 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-21 16:26:12,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,409 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:12,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:12,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:12,426 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:26:12,426 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 16:26:12,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:12,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-21 16:26:12,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,443 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,447 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 [2022-11-21 16:26:12,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:12,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:12,460 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:26:12,460 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 16:26:12,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:12,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-21 16:26:12,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,486 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-21 16:26:12,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,487 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:12,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-21 16:26:12,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:12,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:12,503 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 16:26:12,504 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 16:26:12,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:12,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,530 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:12,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:12,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:12,547 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 16:26:12,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-21 16:26:12,547 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 16:26:12,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:12,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,567 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:12,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-21 16:26:12,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:12,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:12,600 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 16:26:12,600 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 16:26:12,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:12,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,615 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-21 16:26:12,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:12,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,631 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:26:12,631 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 16:26:12,655 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2022-11-21 16:26:12,655 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-11-21 16:26:12,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,691 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:12,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:12,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:12,708 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 16:26:12,709 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 16:26:12,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:12,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-21 16:26:12,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,731 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:12,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:12,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:12,748 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-21 16:26:12,749 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 16:26:12,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:12,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-21 16:26:12,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,767 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-21 16:26:12,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,768 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:12,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:12,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:12,788 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 16:26:12,789 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-21 16:26:12,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:12,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-21 16:26:12,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,811 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,815 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 [2022-11-21 16:26:12,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:12,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:12,827 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 16:26:12,828 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-21 16:26:12,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:12,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-21 16:26:12,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,843 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:12,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:12,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:12,860 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 16:26:12,861 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-21 16:26:12,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:12,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-21 16:26:12,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,883 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:12,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,901 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:26:12,901 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 16:26:12,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-21 16:26:12,918 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2022-11-21 16:26:12,918 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2022-11-21 16:26:12,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:12,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,969 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:12,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:12,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:12,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:12,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:12,986 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 16:26:12,987 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-21 16:26:12,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:12,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-21 16:26:12,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:12,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-11-21 16:26:12,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:12,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:12,997 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:12,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-21 16:26:13,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:13,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:26:13,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:13,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:13,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:13,011 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-21 16:26:13,011 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-21 16:26:13,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:13,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:13,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:13,027 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-21 16:26:13,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:13,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:13,028 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:13,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-21 16:26:13,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:13,044 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 16:26:13,044 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 16:26:13,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:13,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:13,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:13,045 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:26:13,046 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 16:26:13,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:13,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:13,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:13,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:13,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:13,072 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:13,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:13,091 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 16:26:13,092 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 16:26:13,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:13,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:13,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:13,092 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:26:13,094 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 16:26:13,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:13,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-21 16:26:13,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:13,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:13,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:13,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:13,112 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:13,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:13,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-21 16:26:13,133 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 16:26:13,133 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 16:26:13,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:26:13,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:13,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:26:13,134 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:26:13,134 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 16:26:13,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:26:13,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:26:13,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:13,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:13,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:13,163 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:13,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:26:13,179 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-21 16:26:13,180 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-21 16:26:13,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:26:13,180 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:26:13,180 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:26:13,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-21 16:26:13,191 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2022-11-21 16:26:13,191 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-21 16:26:13,230 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 16:26:13,384 INFO L443 ModelExtractionUtils]: Simplification made 31 calls to the SMT solver. [2022-11-21 16:26:13,384 INFO L444 ModelExtractionUtils]: 0 out of 26 variables were initially zero. Simplification set additionally 18 variables to zero. [2022-11-21 16:26:13,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:26:13,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:26:13,386 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:26:13,390 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 16:26:13,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-21 16:26:13,420 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 6. [2022-11-21 16:26:13,421 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 16:26:13,421 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-phase ranking function: f0 = 3*ULTIMATE.start_main_~x~0#1 + 2 f1 = 0 Supporting invariants [3*ULTIMATE.start_main_~x~0#1 - 2*ULTIMATE.start_main_~y~0#1 >= 0, 1*ULTIMATE.start_main_~x~0#1 >= 0] [2022-11-21 16:26:13,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:13,427 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: Inconsistent sorts at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.PolynomialRelation.(PolynomialRelation.java:135) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.PolynomialRelation.of(PolynomialRelation.java:608) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.comparison(SmtUtils.java:1315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.termWithLocalSimplification(SmtUtils.java:1457) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.termWithLocalSimplification(SmtUtils.java:1372) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.convertApplicationTerm(SmtUtils.java:1361) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.convertApplicationTerm(Substitution.java:53) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:389) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:319) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.apply(Substitution.java:59) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUtils.computeClosedFormula(PredicateUtils.java:94) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:130) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:89) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.constructTermVarsProc(BasicPredicateFactory.java:93) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BinaryStatePredicateManager.getRankInEquality(BinaryStatePredicateManager.java:354) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BinaryStatePredicateManager.decodeLex(BinaryStatePredicateManager.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BinaryStatePredicateManager.computePredicates(BinaryStatePredicateManager.java:121) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:667) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:908) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:819) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:359) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:157) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:341) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 16:26:13,430 INFO L158 Benchmark]: Toolchain (without parser) took 11891.02ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 115.0MB in the beginning and 101.5MB in the end (delta: 13.5MB). Peak memory consumption was 101.5MB. Max. memory is 16.1GB. [2022-11-21 16:26:13,430 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 123.7MB. Free memory was 92.4MB in the beginning and 92.3MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:26:13,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.35ms. Allocated memory is still 148.9MB. Free memory was 115.0MB in the beginning and 113.8MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:26:13,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.29ms. Allocated memory is still 148.9MB. Free memory was 113.8MB in the beginning and 112.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:26:13,431 INFO L158 Benchmark]: Boogie Preprocessor took 27.48ms. Allocated memory is still 148.9MB. Free memory was 112.4MB in the beginning and 111.6MB in the end (delta: 737.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:26:13,432 INFO L158 Benchmark]: RCFGBuilder took 284.16ms. Allocated memory is still 148.9MB. Free memory was 111.6MB in the beginning and 102.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 16:26:13,432 INFO L158 Benchmark]: BuchiAutomizer took 11250.22ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 102.7MB in the beginning and 101.5MB in the end (delta: 1.2MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2022-11-21 16:26:13,434 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 123.7MB. Free memory was 92.4MB in the beginning and 92.3MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.35ms. Allocated memory is still 148.9MB. Free memory was 115.0MB in the beginning and 113.8MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.29ms. Allocated memory is still 148.9MB. Free memory was 113.8MB in the beginning and 112.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.48ms. Allocated memory is still 148.9MB. Free memory was 112.4MB in the beginning and 111.6MB in the end (delta: 737.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 284.16ms. Allocated memory is still 148.9MB. Free memory was 111.6MB in the beginning and 102.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 11250.22ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 102.7MB in the beginning and 101.5MB in the end (delta: 1.2MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: Inconsistent sorts de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: Inconsistent sorts: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.PolynomialRelation.(PolynomialRelation.java:135) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 16:26:13,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:13,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-21 16:26:13,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d93f8d19-f099-4ff6-ad94-1607e4d1cebd/bin/uautomizer-vX5HgA9Q3a/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Inconsistent sorts