./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 22:35:38,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:35:38,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:35:38,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:35:38,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:35:38,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:35:38,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:35:38,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:35:38,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:35:38,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:35:38,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:35:38,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:35:38,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:35:38,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:35:38,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:35:38,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:35:38,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:35:38,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:35:38,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:35:38,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:35:38,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:35:38,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:35:38,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:35:38,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:35:38,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:35:38,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:35:38,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:35:38,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:35:38,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:35:38,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:35:38,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:35:38,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:35:38,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:35:38,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:35:38,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:35:38,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:35:38,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:35:38,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:35:38,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:35:38,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:35:38,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:35:38,358 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 22:35:38,381 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:35:38,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:35:38,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:35:38,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:35:38,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:35:38,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:35:38,390 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:35:38,390 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 22:35:38,390 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 22:35:38,390 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 22:35:38,391 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 22:35:38,391 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 22:35:38,391 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 22:35:38,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:35:38,391 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:35:38,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:35:38,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:35:38,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 22:35:38,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 22:35:38,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 22:35:38,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:35:38,392 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 22:35:38,392 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:35:38,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 22:35:38,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:35:38,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:35:38,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:35:38,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:35:38,394 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 22:35:38,394 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_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef [2022-12-13 22:35:38,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:35:38,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:35:38,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:35:38,598 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:35:38,599 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:35:38,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2022-12-13 22:35:41,144 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:35:41,284 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:35:41,285 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2022-12-13 22:35:41,289 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/data/90e4bdea2/19a887d63d11488a8f121a813232b696/FLAGfd4916ad0 [2022-12-13 22:35:41,301 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/data/90e4bdea2/19a887d63d11488a8f121a813232b696 [2022-12-13 22:35:41,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:35:41,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:35:41,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:35:41,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:35:41,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:35:41,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:35:41" (1/1) ... [2022-12-13 22:35:41,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@926ecab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:41, skipping insertion in model container [2022-12-13 22:35:41,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:35:41" (1/1) ... [2022-12-13 22:35:41,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:35:41,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:35:41,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:35:41,439 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:35:41,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:35:41,459 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:35:41,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:41 WrapperNode [2022-12-13 22:35:41,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:35:41,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:35:41,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:35:41,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:35:41,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:41" (1/1) ... [2022-12-13 22:35:41,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:41" (1/1) ... [2022-12-13 22:35:41,482 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-12-13 22:35:41,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:35:41,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:35:41,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:35:41,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:35:41,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:41" (1/1) ... [2022-12-13 22:35:41,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:41" (1/1) ... [2022-12-13 22:35:41,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:41" (1/1) ... [2022-12-13 22:35:41,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:41" (1/1) ... [2022-12-13 22:35:41,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:41" (1/1) ... [2022-12-13 22:35:41,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:41" (1/1) ... [2022-12-13 22:35:41,496 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:41" (1/1) ... [2022-12-13 22:35:41,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:41" (1/1) ... [2022-12-13 22:35:41,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:35:41,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:35:41,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:35:41,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:35:41,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:41" (1/1) ... [2022-12-13 22:35:41,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:41,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:41,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:41,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 22:35:41,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:35:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:35:41,604 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:35:41,606 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:35:41,672 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:35:41,678 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:35:41,678 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 22:35:41,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:35:41 BoogieIcfgContainer [2022-12-13 22:35:41,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:35:41,681 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 22:35:41,681 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 22:35:41,684 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 22:35:41,685 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:35:41,685 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 10:35:41" (1/3) ... [2022-12-13 22:35:41,686 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3644a532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:35:41, skipping insertion in model container [2022-12-13 22:35:41,686 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:35:41,686 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:35:41" (2/3) ... [2022-12-13 22:35:41,687 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3644a532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:35:41, skipping insertion in model container [2022-12-13 22:35:41,687 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:35:41,687 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:35:41" (3/3) ... [2022-12-13 22:35:41,688 INFO L332 chiAutomizerObserver]: Analyzing ICFG Collatz_bounded.c [2022-12-13 22:35:41,736 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 22:35:41,736 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 22:35:41,736 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 22:35:41,736 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 22:35:41,737 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 22:35:41,737 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 22:35:41,737 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 22:35:41,737 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 22:35:41,740 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:35:41,753 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 22:35:41,753 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:35:41,753 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:35:41,757 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 22:35:41,757 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 22:35:41,758 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 22:35:41,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:35:41,759 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 22:35:41,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:35:41,759 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:35:41,759 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 22:35:41,759 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 22:35:41,765 INFO L748 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L14true assume !(main_~y~0#1 >= 113383); 6#L16-2true [2022-12-13 22:35:41,766 INFO L750 eck$LassoCheckResult]: Loop: 6#L16-2true assume !!(main_~y~0#1 > 1); 2#L16true assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 6#L16-2true [2022-12-13 22:35:41,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:41,771 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-12-13 22:35:41,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:41,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077179776] [2022-12-13 22:35:41,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:41,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:41,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:35:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:41,851 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:35:41,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:41,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 1 times [2022-12-13 22:35:41,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:41,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262248572] [2022-12-13 22:35:41,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:41,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:41,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:35:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:41,882 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:35:41,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:41,884 INFO L85 PathProgramCache]: Analyzing trace with hash 28695975, now seen corresponding path program 1 times [2022-12-13 22:35:41,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:41,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150292378] [2022-12-13 22:35:41,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:41,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:41,895 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:35:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:41,904 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:35:41,970 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:35:41,970 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:35:41,971 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:35:41,971 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:35:41,971 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 22:35:41,971 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:41,971 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:35:41,971 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:35:41,971 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2022-12-13 22:35:41,971 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:35:41,971 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:35:41,982 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:42,072 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:35:42,072 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 22:35:42,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:42,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:42,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:42,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 22:35:42,077 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:35:42,077 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:35:42,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:42,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:42,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:42,108 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:42,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 22:35:42,110 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 22:35:42,110 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:35:42,144 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 22:35:42,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 22:35:42,148 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:35:42,148 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:35:42,148 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:35:42,148 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:35:42,148 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:35:42,148 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:42,148 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:35:42,148 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:35:42,149 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration1_Loop [2022-12-13 22:35:42,149 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:35:42,149 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:35:42,150 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:42,212 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:35:42,216 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:35:42,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:42,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:42,219 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:42,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 22:35:42,221 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 [2022-12-13 22:35:42,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:42,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:42,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:42,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:42,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:35:42,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:35:42,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:42,237 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 22:35:42,243 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 22:35:42,243 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 22:35:42,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:42,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:42,280 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:42,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 22:35:42,282 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 22:35:42,282 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 22:35:42,283 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 22:35:42,283 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-12-13 22:35:42,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:42,289 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 22:35:42,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:35:42,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:35:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,328 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 22:35:42,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:35:42,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:35:42,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 22:35:42,381 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 22:35:42,383 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:35:42,412 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 35 transitions. Complement of second has 8 states. [2022-12-13 22:35:42,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 22:35:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:35:42,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2022-12-13 22:35:42,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 3 letters. Loop has 2 letters. [2022-12-13 22:35:42,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:35:42,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 2 letters. [2022-12-13 22:35:42,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:35:42,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 3 letters. Loop has 4 letters. [2022-12-13 22:35:42,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:35:42,419 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2022-12-13 22:35:42,421 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 22:35:42,423 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 9 states and 12 transitions. [2022-12-13 22:35:42,424 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-12-13 22:35:42,424 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-12-13 22:35:42,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2022-12-13 22:35:42,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 22:35:42,425 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-12-13 22:35:42,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2022-12-13 22:35:42,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-13 22:35:42,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:35:42,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2022-12-13 22:35:42,444 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-12-13 22:35:42,444 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2022-12-13 22:35:42,444 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 22:35:42,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2022-12-13 22:35:42,444 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 22:35:42,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:35:42,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:35:42,445 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 22:35:42,445 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 22:35:42,445 INFO L748 eck$LassoCheckResult]: Stem: 84#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 85#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 86#L14 assume !(main_~y~0#1 >= 113383); 87#L16-2 assume !!(main_~y~0#1 > 1); 79#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 80#L16-2 [2022-12-13 22:35:42,445 INFO L750 eck$LassoCheckResult]: Loop: 80#L16-2 assume !!(main_~y~0#1 > 1); 83#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 80#L16-2 [2022-12-13 22:35:42,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:42,445 INFO L85 PathProgramCache]: Analyzing trace with hash 28695977, now seen corresponding path program 1 times [2022-12-13 22:35:42,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:42,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909341502] [2022-12-13 22:35:42,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:42,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:42,452 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:35:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:42,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:35:42,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:42,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 2 times [2022-12-13 22:35:42,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:42,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18495057] [2022-12-13 22:35:42,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:42,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:42,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:35:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:42,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:35:42,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:42,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030636, now seen corresponding path program 1 times [2022-12-13 22:35:42,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:42,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560667430] [2022-12-13 22:35:42,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:42,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:42,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:35:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:42,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:35:42,503 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:35:42,503 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:35:42,503 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:35:42,503 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:35:42,503 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 22:35:42,503 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:42,503 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:35:42,503 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:35:42,504 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2022-12-13 22:35:42,504 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:35:42,504 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:35:42,504 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:42,553 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:35:42,553 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 22:35:42,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:42,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:42,555 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:42,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 22:35:42,557 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:35:42,557 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:35:42,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:42,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:42,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:42,581 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:42,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 22:35:42,583 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 22:35:42,584 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:35:42,613 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 22:35:42,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 22:35:42,616 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:35:42,617 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:35:42,617 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:35:42,617 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:35:42,617 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:35:42,617 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:42,617 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:35:42,617 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:35:42,617 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration2_Loop [2022-12-13 22:35:42,617 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:35:42,617 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:35:42,618 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:42,661 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:35:42,661 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:35:42,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:42,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:42,662 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:42,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 22:35:42,665 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 [2022-12-13 22:35:42,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:42,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:42,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:42,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:42,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:35:42,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:35:42,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:42,679 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 22:35:42,682 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-12-13 22:35:42,682 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 22:35:42,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:42,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:42,684 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:42,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 22:35:42,685 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 22:35:42,686 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 22:35:42,686 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 22:35:42,686 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-12-13 22:35:42,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:42,689 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 22:35:42,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:35:42,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:35:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,712 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 22:35:42,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:35:42,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:35:42,723 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 22:35:42,723 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2022-12-13 22:35:42,733 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 12 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 13 states and 18 transitions. Complement of second has 5 states. [2022-12-13 22:35:42,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 22:35:42,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2022-12-13 22:35:42,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-12-13 22:35:42,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2022-12-13 22:35:42,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:35:42,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-12-13 22:35:42,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:35:42,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 4 letters. [2022-12-13 22:35:42,736 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:35:42,736 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2022-12-13 22:35:42,736 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 22:35:42,737 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 18 transitions. [2022-12-13 22:35:42,737 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-12-13 22:35:42,737 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-12-13 22:35:42,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-12-13 22:35:42,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 22:35:42,737 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-12-13 22:35:42,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-12-13 22:35:42,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 22:35:42,739 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) [2022-12-13 22:35:42,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-12-13 22:35:42,739 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-12-13 22:35:42,739 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-12-13 22:35:42,739 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 22:35:42,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-12-13 22:35:42,740 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 22:35:42,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:35:42,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:35:42,740 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1] [2022-12-13 22:35:42,740 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 22:35:42,741 INFO L748 eck$LassoCheckResult]: Stem: 148#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 149#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 150#L14 assume !(main_~y~0#1 >= 113383); 151#L16-2 assume !!(main_~y~0#1 > 1); 142#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 143#L16-2 assume !!(main_~y~0#1 > 1); 152#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 146#L16-2 [2022-12-13 22:35:42,741 INFO L750 eck$LassoCheckResult]: Loop: 146#L16-2 assume !!(main_~y~0#1 > 1); 147#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 146#L16-2 [2022-12-13 22:35:42,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:42,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030638, now seen corresponding path program 2 times [2022-12-13 22:35:42,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:42,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944875053] [2022-12-13 22:35:42,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:42,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:42,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:35:42,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:35:42,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944875053] [2022-12-13 22:35:42,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944875053] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:35:42,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:35:42,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:35:42,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392554171] [2022-12-13 22:35:42,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:35:42,896 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 22:35:42,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:42,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1476, now seen corresponding path program 3 times [2022-12-13 22:35:42,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:42,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047897748] [2022-12-13 22:35:42,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:42,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:42,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:35:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:42,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:35:42,925 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:35:42,925 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:35:42,925 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:35:42,925 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:35:42,925 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 22:35:42,925 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:42,926 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:35:42,926 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:35:42,926 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2022-12-13 22:35:42,926 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:35:42,926 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:35:42,927 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:42,966 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:35:42,966 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 22:35:42,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:42,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:42,967 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:42,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 22:35:42,969 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:35:42,969 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:35:42,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 22:35:42,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:42,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:42,993 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:42,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 22:35:42,995 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 22:35:42,995 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:35:43,039 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 22:35:43,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 22:35:43,043 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:35:43,043 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:35:43,043 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:35:43,044 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:35:43,044 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:35:43,044 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:43,044 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:35:43,044 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:35:43,044 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration3_Loop [2022-12-13 22:35:43,044 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:35:43,044 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:35:43,045 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:43,084 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:35:43,084 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:35:43,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:43,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:43,085 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:43,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 22:35:43,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:43,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:43,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:43,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:43,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:43,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:35:43,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:35:43,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:43,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 22:35:43,108 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 22:35:43,111 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 22:35:43,112 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 22:35:43,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:43,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:43,113 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:43,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 22:35:43,114 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 22:35:43,114 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 22:35:43,115 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 22:35:43,115 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-12-13 22:35:43,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 22:35:43,118 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 22:35:43,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:43,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:35:43,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:35:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:43,144 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 22:35:43,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:35:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:35:43,156 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 22:35:43,156 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:35:43,167 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 15 states and 22 transitions. Complement of second has 5 states. [2022-12-13 22:35:43,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 22:35:43,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:35:43,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-12-13 22:35:43,168 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-12-13 22:35:43,168 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:35:43,168 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 22:35:43,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:43,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:35:43,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:35:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:43,193 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 22:35:43,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:35:43,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:35:43,206 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 22:35:43,206 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:35:43,215 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 15 states and 22 transitions. Complement of second has 5 states. [2022-12-13 22:35:43,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 22:35:43,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:35:43,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2022-12-13 22:35:43,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 7 letters. Loop has 2 letters. [2022-12-13 22:35:43,217 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:35:43,217 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 22:35:43,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:43,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:35:43,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:35:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:35:43,245 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 22:35:43,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:35:43,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:35:43,258 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 22:35:43,258 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:35:43,268 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 17 states and 25 transitions. Complement of second has 4 states. [2022-12-13 22:35:43,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 22:35:43,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:35:43,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2022-12-13 22:35:43,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2022-12-13 22:35:43,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:35:43,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2022-12-13 22:35:43,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:35:43,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2022-12-13 22:35:43,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:35:43,270 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 25 transitions. [2022-12-13 22:35:43,271 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 22:35:43,272 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 15 states and 21 transitions. [2022-12-13 22:35:43,272 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-12-13 22:35:43,272 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-12-13 22:35:43,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2022-12-13 22:35:43,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 22:35:43,272 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2022-12-13 22:35:43,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2022-12-13 22:35:43,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 7. [2022-12-13 22:35:43,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:35:43,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2022-12-13 22:35:43,274 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2022-12-13 22:35:43,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:35:43,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:35:43,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:35:43,277 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2022-12-13 22:35:43,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:35:43,295 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2022-12-13 22:35:43,295 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2022-12-13 22:35:43,295 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 22:35:43,295 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 11 transitions. [2022-12-13 22:35:43,295 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-12-13 22:35:43,295 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-12-13 22:35:43,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2022-12-13 22:35:43,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 22:35:43,296 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-12-13 22:35:43,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2022-12-13 22:35:43,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2022-12-13 22:35:43,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:35:43,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2022-12-13 22:35:43,297 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-12-13 22:35:43,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 22:35:43,298 INFO L428 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-12-13 22:35:43,298 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 22:35:43,298 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2022-12-13 22:35:43,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 22:35:43,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:35:43,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:35:43,299 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 22:35:43,299 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2022-12-13 22:35:43,299 INFO L748 eck$LassoCheckResult]: Stem: 333#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 334#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 335#L14 assume !(main_~y~0#1 >= 113383); 336#L16-2 assume !!(main_~y~0#1 > 1); 329#L16 [2022-12-13 22:35:43,299 INFO L750 eck$LassoCheckResult]: Loop: 329#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 330#L16-2 assume !!(main_~y~0#1 > 1); 331#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 332#L16-2 assume !!(main_~y~0#1 > 1); 329#L16 [2022-12-13 22:35:43,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:43,299 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2022-12-13 22:35:43,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:43,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457083415] [2022-12-13 22:35:43,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:43,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:43,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:35:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:43,304 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:35:43,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:43,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 1 times [2022-12-13 22:35:43,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:43,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645472284] [2022-12-13 22:35:43,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:43,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:43,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:35:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:43,316 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:35:43,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:43,316 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 2 times [2022-12-13 22:35:43,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:43,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102951734] [2022-12-13 22:35:43,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:43,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:43,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:35:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:43,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:35:43,392 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:35:43,392 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:35:43,392 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:35:43,393 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:35:43,393 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 22:35:43,393 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:43,393 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:35:43,393 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:35:43,393 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-12-13 22:35:43,393 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:35:43,393 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:35:43,394 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:43,480 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:35:43,480 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 22:35:43,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:43,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:43,481 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:43,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 22:35:43,483 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:35:43,483 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:35:43,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 22:35:43,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:43,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:43,508 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:43,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 22:35:43,510 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 22:35:43,510 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:35:43,596 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2022-12-13 22:35:43,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-12-13 22:35:43,601 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:35:43,601 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:35:43,601 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:35:43,602 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:35:43,602 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:35:43,602 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:43,602 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:35:43,602 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:35:43,602 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-12-13 22:35:43,602 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:35:43,602 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:35:43,603 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:43,674 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:35:43,674 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:35:43,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:43,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:43,676 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:43,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 22:35:43,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:43,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:43,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:43,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:43,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:43,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:35:43,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:35:43,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:43,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:43,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 22:35:43,696 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-12-13 22:35:43,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:43,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:43,697 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:43,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 22:35:43,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:43,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:43,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:43,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:43,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:43,710 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:35:43,712 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 22:35:43,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:43,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:43,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 22:35:43,718 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-12-13 22:35:43,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:43,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:43,720 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:43,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 22:35:43,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:43,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:43,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:43,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:43,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:43,733 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:43,735 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:35:43,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:43,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:43,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-12-13 22:35:43,742 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-12-13 22:35:43,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:43,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:43,743 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:43,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 22:35:43,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:43,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:43,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:43,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:43,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:43,756 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 22:35:43,758 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 22:35:43,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:43,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:43,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 22:35:43,766 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-12-13 22:35:43,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:43,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:43,767 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:43,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 22:35:43,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:43,779 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:43,779 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 22:35:43,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:43,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:43,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:43,780 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:35:43,782 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 22:35:43,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:43,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:43,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-12-13 22:35:43,793 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-12-13 22:35:43,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:43,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:43,794 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:43,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 22:35:43,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:43,807 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:43,807 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-12-13 22:35:43,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:43,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:43,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:43,807 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:43,810 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:35:43,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:43,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:43,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 22:35:43,823 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-12-13 22:35:43,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:43,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:43,824 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:43,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 22:35:43,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:43,837 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:43,837 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 22:35:43,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:43,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:43,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:43,838 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 22:35:43,844 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 22:35:43,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:43,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:43,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:43,869 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-12-13 22:35:43,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:43,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:43,871 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:43,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 22:35:43,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:43,885 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:43,886 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 22:35:43,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:43,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:43,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:43,886 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:43,888 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:35:43,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:43,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:43,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-12-13 22:35:43,899 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-12-13 22:35:43,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:43,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:43,900 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:43,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 22:35:43,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:43,913 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:43,913 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 22:35:43,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:43,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:43,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:43,913 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-12-13 22:35:43,917 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:35:43,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:43,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:43,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:43,939 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:35:43,940 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:35:43,940 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:35:43,940 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:35:43,940 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 22:35:43,940 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:43,940 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:35:43,940 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:35:43,940 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-12-13 22:35:43,940 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:35:43,940 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:35:43,941 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:43,943 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:43,951 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:44,018 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:35:44,018 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 22:35:44,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:44,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:44,020 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:44,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 22:35:44,022 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:35:44,022 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:35:44,035 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 22:35:44,035 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: [] [2022-12-13 22:35:44,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:44,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:44,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:44,039 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:44,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-12-13 22:35:44,041 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:35:44,041 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:35:44,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-12-13 22:35:44,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:44,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:44,080 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:44,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-12-13 22:35:44,082 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 22:35:44,082 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:35:47,758 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 22:35:47,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:47,763 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:35:47,763 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:35:47,763 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:35:47,763 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:35:47,763 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:35:47,763 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:47,763 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:35:47,763 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:35:47,764 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-12-13 22:35:47,764 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:35:47,764 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:35:47,765 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:47,767 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:47,768 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:47,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 22:35:47,853 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:35:47,853 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:35:47,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:47,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:47,854 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:47,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-12-13 22:35:47,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:47,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:47,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:47,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:47,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:47,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:35:47,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:35:47,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:47,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:47,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:47,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:47,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:47,872 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:47,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-12-13 22:35:47,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:47,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:47,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:47,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:47,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:47,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:35:47,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:35:47,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:47,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:47,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-12-13 22:35:47,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:47,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:47,890 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:47,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-12-13 22:35:47,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:47,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:47,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:47,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:47,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:35:47,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:35:47,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:35:47,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:47,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:47,914 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-12-13 22:35:47,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:47,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:47,915 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:47,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-12-13 22:35:47,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:47,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:47,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:47,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:47,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:47,927 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:35:47,927 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 22:35:47,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:47,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:47,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:47,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:47,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:47,932 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:47,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-12-13 22:35:47,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:47,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:47,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:47,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:47,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:47,944 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:35:47,945 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 22:35:47,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:47,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:47,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-12-13 22:35:47,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:47,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:47,950 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:47,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-12-13 22:35:47,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:47,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:47,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:47,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:47,962 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:35:47,966 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-12-13 22:35:47,966 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-12-13 22:35:47,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:47,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-12-13 22:35:47,980 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-12-13 22:35:47,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:47,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:47,981 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:47,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-12-13 22:35:47,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:47,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:47,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:47,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:47,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:47,994 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:47,994 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:35:47,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:47,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:47,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-12-13 22:35:47,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:47,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,000 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-12-13 22:35:48,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:48,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,012 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:48,013 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:35:48,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:48,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:48,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,018 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-12-13 22:35:48,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:48,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,031 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:48,037 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-12-13 22:35:48,037 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 22:35:48,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-12-13 22:35:48,055 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-12-13 22:35:48,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,056 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-12-13 22:35:48,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:48,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,069 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 22:35:48,070 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 22:35:48,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:48,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-12-13 22:35:48,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,074 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-12-13 22:35:48,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:48,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,087 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 22:35:48,088 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 22:35:48,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:48,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-12-13 22:35:48,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,093 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-12-13 22:35:48,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:48,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,106 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 22:35:48,112 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-12-13 22:35:48,112 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-12-13 22:35:48,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:48,134 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-12-13 22:35:48,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,135 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-12-13 22:35:48,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,147 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:48,147 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 22:35:48,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,148 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:35:48,149 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 22:35:48,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:48,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-12-13 22:35:48,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,154 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-12-13 22:35:48,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,167 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:48,167 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 22:35:48,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,168 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:35:48,168 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 22:35:48,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:48,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-12-13 22:35:48,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,174 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-12-13 22:35:48,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,187 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:48,188 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 22:35:48,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,188 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:35:48,192 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-12-13 22:35:48,192 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-12-13 22:35:48,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-12-13 22:35:48,208 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-12-13 22:35:48,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,209 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-12-13 22:35:48,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,222 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:48,222 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-12-13 22:35:48,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,222 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:48,223 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:35:48,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:48,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-12-13 22:35:48,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,229 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-12-13 22:35:48,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,242 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:48,242 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-12-13 22:35:48,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,242 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:48,243 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:35:48,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:48,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-12-13 22:35:48,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,250 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-12-13 22:35:48,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,262 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:48,262 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-12-13 22:35:48,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,263 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:48,267 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-12-13 22:35:48,267 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 22:35:48,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-12-13 22:35:48,296 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-12-13 22:35:48,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,297 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-12-13 22:35:48,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,311 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:48,311 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 22:35:48,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,311 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 22:35:48,313 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 22:35:48,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:48,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:48,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,319 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-12-13 22:35:48,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,332 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:48,332 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 22:35:48,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,332 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 22:35:48,333 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 22:35:48,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:48,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-12-13 22:35:48,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,339 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-12-13 22:35:48,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,353 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:48,354 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 22:35:48,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,354 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 22:35:48,358 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-12-13 22:35:48,358 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-12-13 22:35:48,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-12-13 22:35:48,419 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-12-13 22:35:48,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,420 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-12-13 22:35:48,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,433 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:48,433 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 22:35:48,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,433 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:48,434 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:35:48,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:48,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:48,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,439 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-12-13 22:35:48,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,453 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:48,453 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 22:35:48,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,453 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:48,454 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:35:48,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:48,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-12-13 22:35:48,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,459 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-12-13 22:35:48,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,471 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:48,471 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 22:35:48,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,472 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:48,476 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-12-13 22:35:48,476 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 22:35:48,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-12-13 22:35:48,494 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-12-13 22:35:48,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,495 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-12-13 22:35:48,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,507 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:48,507 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 22:35:48,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,507 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-12-13 22:35:48,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:35:48,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:48,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-12-13 22:35:48,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,513 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-12-13 22:35:48,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,526 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:48,526 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 22:35:48,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,526 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-12-13 22:35:48,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:35:48,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:48,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-12-13 22:35:48,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,532 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-12-13 22:35:48,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,544 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:48,544 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 22:35:48,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,545 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-12-13 22:35:48,552 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2022-12-13 22:35:48,552 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-12-13 22:35:48,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:48,583 INFO L369 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2022-12-13 22:35:48,583 INFO L748 eck$LassoCheckResult]: Stem: 333#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 334#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 335#L14 assume !(main_~y~0#1 >= 113383); 336#L16-2 assume !!(main_~y~0#1 > 1); 329#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 330#L16-2 assume !!(main_~y~0#1 > 1); 331#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 332#L16-2 assume !!(main_~y~0#1 > 1); 329#L16 [2022-12-13 22:35:48,583 INFO L750 eck$LassoCheckResult]: Loop: 329#L16 assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1; 330#L16-2 assume !!(main_~y~0#1 > 1); 331#L16 assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 332#L16-2 assume !!(main_~y~0#1 > 1); 329#L16 [2022-12-13 22:35:48,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:48,584 INFO L85 PathProgramCache]: Analyzing trace with hash 183374884, now seen corresponding path program 3 times [2022-12-13 22:35:48,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:48,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065952846] [2022-12-13 22:35:48,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:48,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:48,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:35:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:48,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:35:48,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:48,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1565113, now seen corresponding path program 2 times [2022-12-13 22:35:48,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:48,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789767716] [2022-12-13 22:35:48,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:48,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:48,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:35:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:48,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:35:48,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:35:48,601 INFO L85 PathProgramCache]: Analyzing trace with hash -3593124, now seen corresponding path program 4 times [2022-12-13 22:35:48,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:35:48,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629566697] [2022-12-13 22:35:48,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:35:48,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:35:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:48,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:35:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:35:48,617 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:35:48,651 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:35:48,651 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:35:48,651 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:35:48,651 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:35:48,652 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 22:35:48,652 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,652 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:35:48,652 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:35:48,652 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-12-13 22:35:48,652 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:35:48,652 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:35:48,653 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:48,700 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:35:48,700 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 22:35:48,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,701 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-12-13 22:35:48,703 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:35:48,703 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:35:48,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-12-13 22:35:48,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,727 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-12-13 22:35:48,729 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 22:35:48,729 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:35:48,779 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2022-12-13 22:35:48,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-12-13 22:35:48,782 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:35:48,782 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:35:48,782 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:35:48,782 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:35:48,782 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:35:48,782 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,782 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:35:48,782 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:35:48,782 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Loop [2022-12-13 22:35:48,782 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:35:48,782 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:35:48,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:48,830 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:35:48,830 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:35:48,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,831 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-12-13 22:35:48,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:48,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:35:48,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:35:48,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:48,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2022-12-13 22:35:48,850 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-12-13 22:35:48,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,851 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-12-13 22:35:48,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:48,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,863 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:35:48,865 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 22:35:48,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:48,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-12-13 22:35:48,871 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-12-13 22:35:48,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,872 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-12-13 22:35:48,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:48,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,884 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:48,890 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:35:48,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:48,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-12-13 22:35:48,897 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-12-13 22:35:48,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,898 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-12-13 22:35:48,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:48,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,911 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 22:35:48,913 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 22:35:48,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:48,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-12-13 22:35:48,919 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-12-13 22:35:48,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,920 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-12-13 22:35:48,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,932 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:48,932 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 22:35:48,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,932 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:35:48,934 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 22:35:48,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:48,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-12-13 22:35:48,941 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-12-13 22:35:48,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,942 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-12-13 22:35:48,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,955 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:48,955 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-12-13 22:35:48,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,955 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:48,957 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:35:48,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:48,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:48,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-12-13 22:35:48,967 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-12-13 22:35:48,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:48,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:48,968 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:48,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-12-13 22:35:48,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:48,981 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:48,981 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 22:35:48,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:48,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:48,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:48,981 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 22:35:48,984 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 22:35:48,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:49,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:49,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-12-13 22:35:49,010 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-12-13 22:35:49,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:49,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:49,011 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:49,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-12-13 22:35:49,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:49,023 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:49,023 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 22:35:49,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:49,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:49,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:49,024 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:49,025 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:35:49,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:49,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:49,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2022-12-13 22:35:49,032 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-12-13 22:35:49,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:49,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:49,033 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:49,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-12-13 22:35:49,035 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 [2022-12-13 22:35:49,047 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:49,047 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 22:35:49,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:49,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:49,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:49,047 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-12-13 22:35:49,049 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:35:49,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:49,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:49,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:49,111 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:35:49,112 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:35:49,112 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:35:49,112 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:35:49,112 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 22:35:49,112 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:49,112 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:35:49,112 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:35:49,112 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-12-13 22:35:49,112 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:35:49,112 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:35:49,113 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:49,123 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:49,125 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:49,201 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:35:49,201 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 22:35:49,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:49,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:49,202 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:49,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-12-13 22:35:49,206 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 22:35:49,206 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:35:49,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-12-13 22:35:49,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:49,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:49,242 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:49,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-12-13 22:35:49,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 22:35:49,245 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 22:35:49,857 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2022-12-13 22:35:49,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-12-13 22:35:49,862 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:35:49,862 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:35:49,862 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:35:49,862 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:35:49,862 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:35:49,862 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:49,862 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:35:49,862 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:35:49,862 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz_bounded.c_Iteration4_Lasso [2022-12-13 22:35:49,862 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:35:49,862 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:35:49,863 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:49,864 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:49,874 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:35:49,983 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:35:49,983 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:35:49,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:49,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:49,984 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:49,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-12-13 22:35:49,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:49,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:49,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:49,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:49,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:49,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:35:49,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:35:49,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:49,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2022-12-13 22:35:50,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,001 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-12-13 22:35:50,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:50,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:35:50,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:35:50,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:35:50,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2022-12-13 22:35:50,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,025 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-12-13 22:35:50,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:50,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:50,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:35:50,038 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:35:50,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:50,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2022-12-13 22:35:50,041 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-12-13 22:35:50,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,042 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-12-13 22:35:50,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:50,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:50,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,055 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:35:50,055 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 22:35:50,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:50,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2022-12-13 22:35:50,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,059 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-12-13 22:35:50,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:50,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,071 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:35:50,074 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-12-13 22:35:50,074 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-12-13 22:35:50,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-12-13 22:35:50,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,089 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-12-13 22:35:50,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:50,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:50,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,102 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:35:50,102 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 22:35:50,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:50,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2022-12-13 22:35:50,106 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-12-13 22:35:50,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,107 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-12-13 22:35:50,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:50,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:50,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,119 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:50,120 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:35:50,120 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:50,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2022-12-13 22:35:50,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,125 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-12-13 22:35:50,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:50,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,139 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:50,144 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-12-13 22:35:50,144 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 22:35:50,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2022-12-13 22:35:50,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,166 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-12-13 22:35:50,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:50,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:50,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,179 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:50,180 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:35:50,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:50,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2022-12-13 22:35:50,183 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-12-13 22:35:50,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,184 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-12-13 22:35:50,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:50,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:50,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,197 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 22:35:50,197 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 22:35:50,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:50,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2022-12-13 22:35:50,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,201 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-12-13 22:35:50,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:50,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,214 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 22:35:50,220 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-12-13 22:35:50,220 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-12-13 22:35:50,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2022-12-13 22:35:50,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,250 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-12-13 22:35:50,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:35:50,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:50,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,262 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 22:35:50,263 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 22:35:50,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:50,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2022-12-13 22:35:50,267 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-12-13 22:35:50,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,268 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-12-13 22:35:50,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,279 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:50,279 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 22:35:50,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:50,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,280 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:35:50,280 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 22:35:50,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:50,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:50,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,286 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-12-13 22:35:50,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,298 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:50,298 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 22:35:50,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,298 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:35:50,302 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-12-13 22:35:50,302 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-12-13 22:35:50,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2022-12-13 22:35:50,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,328 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-12-13 22:35:50,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,339 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:50,340 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 22:35:50,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:50,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,340 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 22:35:50,340 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 22:35:50,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:50,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:50,345 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-12-13 22:35:50,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,346 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-12-13 22:35:50,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,358 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:50,358 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-12-13 22:35:50,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:50,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,359 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:50,359 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:35:50,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:50,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2022-12-13 22:35:50,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,366 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-12-13 22:35:50,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,378 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:50,378 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-12-13 22:35:50,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,379 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:50,384 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-12-13 22:35:50,384 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 22:35:50,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2022-12-13 22:35:50,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,421 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-12-13 22:35:50,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,435 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:50,435 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-12-13 22:35:50,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:50,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,436 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:50,436 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:35:50,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:50,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2022-12-13 22:35:50,442 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-12-13 22:35:50,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,443 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-12-13 22:35:50,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,456 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:50,456 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 22:35:50,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:50,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,456 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 22:35:50,458 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 22:35:50,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:50,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2022-12-13 22:35:50,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,465 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-12-13 22:35:50,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,478 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:50,478 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 22:35:50,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,478 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 22:35:50,491 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-12-13 22:35:50,491 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-12-13 22:35:50,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:50,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,571 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-12-13 22:35:50,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,584 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:50,584 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 22:35:50,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:50,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,584 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-12-13 22:35:50,585 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-12-13 22:35:50,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:50,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2022-12-13 22:35:50,592 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-12-13 22:35:50,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,593 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-12-13 22:35:50,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,605 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:50,605 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 22:35:50,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:50,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,605 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:50,606 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:35:50,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:50,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2022-12-13 22:35:50,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,611 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-12-13 22:35:50,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,623 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:50,623 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 22:35:50,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,623 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:50,628 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-12-13 22:35:50,628 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 22:35:50,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2022-12-13 22:35:50,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,649 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-12-13 22:35:50,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,661 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:50,662 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-12-13 22:35:50,662 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:50,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,662 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 22:35:50,662 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 22:35:50,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:50,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2022-12-13 22:35:50,666 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-12-13 22:35:50,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,667 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2022-12-13 22:35:50,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,679 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:50,680 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 22:35:50,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:50,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,680 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-12-13 22:35:50,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:35:50,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:50,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2022-12-13 22:35:50,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,686 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-12-13 22:35:50,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,699 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:50,699 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 22:35:50,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,699 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-12-13 22:35:50,707 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2022-12-13 22:35:50,707 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-12-13 22:35:50,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2022-12-13 22:35:50,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:35:50,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:35:50,745 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:35:50,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2022-12-13 22:35:50,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:35:50,757 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-12-13 22:35:50,758 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-12-13 22:35:50,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:35:50,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:35:50,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:35:50,758 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-12-13 22:35:50,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:35:50,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:35:50,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:35:50,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2022-12-13 22:35:50,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 10:35:50 BoogieIcfgContainer [2022-12-13 22:35:50,767 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 22:35:50,768 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:35:50,768 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:35:50,768 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:35:50,768 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:35:41" (3/4) ... [2022-12-13 22:35:50,770 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 22:35:50,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:35:50,770 INFO L158 Benchmark]: Toolchain (without parser) took 9466.26ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 100.6MB in the beginning and 117.9MB in the end (delta: -17.2MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2022-12-13 22:35:50,771 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:35:50,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.13ms. Allocated memory is still 132.1MB. Free memory was 100.2MB in the beginning and 91.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 22:35:50,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.81ms. Allocated memory is still 132.1MB. Free memory was 91.2MB in the beginning and 89.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:35:50,771 INFO L158 Benchmark]: Boogie Preprocessor took 14.56ms. Allocated memory is still 132.1MB. Free memory was 89.7MB in the beginning and 88.8MB in the end (delta: 888.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:35:50,771 INFO L158 Benchmark]: RCFGBuilder took 181.00ms. Allocated memory is still 132.1MB. Free memory was 88.8MB in the beginning and 80.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 22:35:50,771 INFO L158 Benchmark]: BuchiAutomizer took 9086.51ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 80.1MB in the beginning and 117.9MB in the end (delta: -37.8MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. [2022-12-13 22:35:50,771 INFO L158 Benchmark]: Witness Printer took 2.31ms. Allocated memory is still 178.3MB. Free memory is still 117.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:35:50,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 100.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 154.13ms. Allocated memory is still 132.1MB. Free memory was 100.2MB in the beginning and 91.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.81ms. Allocated memory is still 132.1MB. Free memory was 91.2MB in the beginning and 89.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.56ms. Allocated memory is still 132.1MB. Free memory was 89.7MB in the beginning and 88.8MB in the end (delta: 888.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 181.00ms. Allocated memory is still 132.1MB. Free memory was 88.8MB in the beginning and 80.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 9086.51ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 80.1MB in the beginning and 117.9MB in the end (delta: -37.8MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. * Witness Printer took 2.31ms. Allocated memory is still 178.3MB. Free memory is still 117.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function y and consists of 5 locations. One deterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.0s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 8.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 39 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div527 bol100 ite100 ukn100 eq125 hnf96 smp32 dnf100 smp100 tf104 neg99 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 56ms VariablesStem: 4 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 0.9s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~y~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" "assume !(main_~y~0#1 >= 113383);" "assume !!(main_~y~0#1 > 1);" "assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1;" "assume !!(main_~y~0#1 > 1);" "assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !!(main_~y~0#1 > 1);" Loop: "assume !(0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));main_~y~0#1 := 1 + 3 * main_~y~0#1;" "assume !!(main_~y~0#1 > 1);" "assume 0 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !!(main_~y~0#1 > 1);" RESULT: Ultimate could not prove your program: unable to determine termination [2022-12-13 22:35:50,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/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_832a99b4-5f81-4a5d-bcad-072b9ae1d110/bin/uautomizer-uyxdKDjOR8/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: UNKNOWN