./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Collatz.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Collatz.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt --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 873a06533d36987711ab5e2c177066aa117a2df5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:35:50,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:35:50,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:35:50,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:35:50,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:35:50,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:35:50,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:35:50,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:35:50,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:35:50,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:35:50,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:35:50,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:35:50,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:35:50,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:35:50,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:35:50,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:35:50,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:35:50,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:35:50,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:35:50,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:35:50,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:35:50,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:35:50,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:35:50,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:35:50,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:35:50,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:35:50,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:35:50,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:35:50,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:35:50,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:35:50,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:35:50,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:35:50,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:35:50,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:35:50,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:35:50,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:35:50,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:35:50,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:35:50,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:35:50,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:35:50,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:35:50,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:35:50,835 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:35:50,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:35:50,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:35:50,839 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:35:50,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:35:50,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:35:50,841 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:35:50,842 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:35:50,842 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:35:50,842 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:35:50,844 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:35:50,844 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:35:50,844 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:35:50,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:35:50,845 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:35:50,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:35:50,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:35:50,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:35:50,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:35:50,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:35:50,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:35:50,847 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:35:50,847 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:35:50,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:35:50,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:35:50,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:35:50,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:35:50,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:35:50,851 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:35:50,852 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:35:50,852 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_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 873a06533d36987711ab5e2c177066aa117a2df5 [2021-10-13 00:35:51,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:35:51,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:35:51,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:35:51,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:35:51,215 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:35:51,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-crafted/Collatz.c [2021-10-13 00:35:51,285 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/data/11e1f417d/e272dc1198b94a94bedff4a040ab4132/FLAG62520df5f [2021-10-13 00:35:51,815 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:35:51,816 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/sv-benchmarks/c/termination-crafted/Collatz.c [2021-10-13 00:35:51,823 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/data/11e1f417d/e272dc1198b94a94bedff4a040ab4132/FLAG62520df5f [2021-10-13 00:35:52,163 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/data/11e1f417d/e272dc1198b94a94bedff4a040ab4132 [2021-10-13 00:35:52,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:35:52,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:35:52,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:35:52,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:35:52,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:35:52,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:35:52" (1/1) ... [2021-10-13 00:35:52,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199e7ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:52, skipping insertion in model container [2021-10-13 00:35:52,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:35:52" (1/1) ... [2021-10-13 00:35:52,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:35:52,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:35:52,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:35:52,387 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:35:52,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:35:52,413 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:35:52,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:52 WrapperNode [2021-10-13 00:35:52,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:35:52,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:35:52,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:35:52,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:35:52,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:52" (1/1) ... [2021-10-13 00:35:52,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:52" (1/1) ... [2021-10-13 00:35:52,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:35:52,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:35:52,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:35:52,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:35:52,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:52" (1/1) ... [2021-10-13 00:35:52,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:52" (1/1) ... [2021-10-13 00:35:52,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:52" (1/1) ... [2021-10-13 00:35:52,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:52" (1/1) ... [2021-10-13 00:35:52,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:52" (1/1) ... [2021-10-13 00:35:52,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:52" (1/1) ... [2021-10-13 00:35:52,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:52" (1/1) ... [2021-10-13 00:35:52,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:35:52,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:35:52,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:35:52,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:35:52,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:52" (1/1) ... [2021-10-13 00:35:52,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:52,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:52,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:52,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:35:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:35:52,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:35:52,684 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:35:52,685 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 00:35:52,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:35:52 BoogieIcfgContainer [2021-10-13 00:35:52,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:35:52,688 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:35:52,689 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:35:52,692 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:35:52,693 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:35:52,694 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:35:52" (1/3) ... [2021-10-13 00:35:52,696 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@519da79f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:35:52, skipping insertion in model container [2021-10-13 00:35:52,696 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:35:52,696 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:52" (2/3) ... [2021-10-13 00:35:52,697 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@519da79f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:35:52, skipping insertion in model container [2021-10-13 00:35:52,697 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:35:52,698 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:35:52" (3/3) ... [2021-10-13 00:35:52,699 INFO L389 chiAutomizerObserver]: Analyzing ICFG Collatz.c [2021-10-13 00:35:52,752 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:35:52,752 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:35:52,753 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:35:52,753 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:35:52,753 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:35:52,753 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:35:52,753 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:35:52,754 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:35:52,769 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) 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) [2021-10-13 00:35:52,787 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:35:52,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:52,788 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:52,794 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-13 00:35:52,795 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:35:52,795 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:35:52,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) 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) [2021-10-13 00:35:52,800 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:35:52,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:52,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:52,801 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-13 00:35:52,801 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:35:52,808 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 8#L14-2true [2021-10-13 00:35:52,809 INFO L793 eck$LassoCheckResult]: Loop: 8#L14-2true assume !!(main_~y~0 > 1); 6#L14true assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 8#L14-2true [2021-10-13 00:35:52,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:52,815 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-13 00:35:52,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:52,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302817592] [2021-10-13 00:35:52,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:52,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:52,903 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:52,923 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:52,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:52,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2021-10-13 00:35:52,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:52,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994585801] [2021-10-13 00:35:52,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:52,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:52,957 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:52,971 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:52,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:52,973 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2021-10-13 00:35:52,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:52,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209761967] [2021-10-13 00:35:52,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:52,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:52,987 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:53,003 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:53,137 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:53,138 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:53,138 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:53,138 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:53,138 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:35:53,138 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:53,139 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:53,139 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:53,139 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration1_Loop [2021-10-13 00:35:53,139 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:53,139 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:53,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:53,308 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:53,308 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:35:53,311 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:53,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:53,313 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:53,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:35:53,319 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:53,323 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:53,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:53,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:53,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:53,393 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:53,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:35:53,407 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:53,408 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:53,467 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:35:53,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:53,470 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:53,470 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:53,470 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:53,471 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:53,471 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:35:53,471 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:53,471 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:53,471 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:53,471 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration1_Loop [2021-10-13 00:35:53,471 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:53,471 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:53,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:53,555 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:53,560 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:35:53,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:53,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:53,563 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:53,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:53,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:35:53,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:53,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:53,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:53,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:53,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:53,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:53,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:53,599 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:35:53,608 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:35:53,609 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 00:35:53,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:53,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:53,611 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:53,615 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:35:53,615 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:35:53,616 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:35:53,617 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2021-10-13 00:35:53,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:35:53,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:53,652 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:35:53,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:53,696 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:53,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:53,718 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:35:53,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:53,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:53,798 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:35:53,799 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) 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) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:35:53,861 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) 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). Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 23 states and 30 transitions. Complement of second has 8 states. [2021-10-13 00:35:53,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:35:53,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:35:53,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2021-10-13 00:35:53,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-13 00:35:53,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:53,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-13 00:35:53,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:53,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2021-10-13 00:35:53,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:53,871 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2021-10-13 00:35:53,878 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:35:53,882 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2021-10-13 00:35:53,883 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-13 00:35:53,883 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-10-13 00:35:53,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2021-10-13 00:35:53,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:53,884 INFO L681 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-13 00:35:53,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2021-10-13 00:35:53,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-10-13 00:35:53,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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) [2021-10-13 00:35:53,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2021-10-13 00:35:53,915 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-13 00:35:53,915 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-13 00:35:53,915 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:35:53,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2021-10-13 00:35:53,916 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:35:53,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:53,916 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:53,917 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-13 00:35:53,917 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:35:53,918 INFO L791 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 68#L14-2 assume !!(main_~y~0 > 1); 69#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 70#L14-2 [2021-10-13 00:35:53,918 INFO L793 eck$LassoCheckResult]: Loop: 70#L14-2 assume !!(main_~y~0 > 1); 73#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 70#L14-2 [2021-10-13 00:35:53,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:53,919 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2021-10-13 00:35:53,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:53,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844055102] [2021-10-13 00:35:53,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:53,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:53,950 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:53,969 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:53,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:53,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 2 times [2021-10-13 00:35:53,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:53,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873352283] [2021-10-13 00:35:53,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:53,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:53,980 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:53,989 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:53,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:53,990 INFO L82 PathProgramCache]: Analyzing trace with hash 29865320, now seen corresponding path program 1 times [2021-10-13 00:35:53,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:53,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804412336] [2021-10-13 00:35:53,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:53,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:54,005 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:54,020 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:54,056 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:54,057 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:54,057 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:54,057 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:54,057 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:35:54,057 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:54,058 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:54,058 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:54,058 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration2_Loop [2021-10-13 00:35:54,058 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:54,058 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:54,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:54,178 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:54,178 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:35:54,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:54,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:54,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:54,193 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:54,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:35:54,201 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:54,201 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:54,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:54,277 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:54,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:54,279 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:54,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:35:54,288 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:54,288 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:54,338 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:35:54,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:54,341 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:54,341 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:54,341 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:54,341 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:54,341 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:35:54,341 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:54,341 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:54,341 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:54,342 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration2_Loop [2021-10-13 00:35:54,342 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:54,342 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:54,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:54,418 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:54,419 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:35:54,419 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:54,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:54,423 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:54,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:35:54,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:54,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:54,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:54,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:54,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:54,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:54,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:54,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:54,466 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:35:54,470 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:35:54,470 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 00:35:54,470 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:54,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:54,472 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:54,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:35:54,474 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:35:54,474 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:35:54,474 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:35:54,474 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2021-10-13 00:35:54,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:54,498 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:35:54,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:54,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:54,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:54,538 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:35:54,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:54,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:54,587 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:35:54,587 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:35:54,605 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. 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 11 states and 16 transitions. Complement of second has 5 states. [2021-10-13 00:35:54,606 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 [2021-10-13 00:35:54,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:35:54,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-10-13 00:35:54,608 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-13 00:35:54,609 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:54,609 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-13 00:35:54,609 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:54,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2021-10-13 00:35:54,610 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:54,610 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2021-10-13 00:35:54,613 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:35:54,615 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 16 transitions. [2021-10-13 00:35:54,615 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-10-13 00:35:54,615 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-10-13 00:35:54,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2021-10-13 00:35:54,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:54,616 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-10-13 00:35:54,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2021-10-13 00:35:54,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-13 00:35:54,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:35:54,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2021-10-13 00:35:54,619 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-10-13 00:35:54,619 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-10-13 00:35:54,620 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:35:54,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2021-10-13 00:35:54,621 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:35:54,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:54,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:54,622 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-13 00:35:54,623 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:35:54,623 INFO L791 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 122#L14-2 assume !!(main_~y~0 > 1); 123#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 124#L14-2 assume !!(main_~y~0 > 1); 129#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 127#L14-2 [2021-10-13 00:35:54,623 INFO L793 eck$LassoCheckResult]: Loop: 127#L14-2 assume !!(main_~y~0 > 1); 128#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 127#L14-2 [2021-10-13 00:35:54,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:54,624 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 2 times [2021-10-13 00:35:54,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:54,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728199366] [2021-10-13 00:35:54,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:54,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:54,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:54,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:35:54,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728199366] [2021-10-13 00:35:54,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728199366] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:35:54,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925541199] [2021-10-13 00:35:54,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 00:35:54,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:35:54,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:54,754 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:35:54,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-13 00:35:54,830 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 00:35:54,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:35:54,831 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:35:54,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:55,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:55,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925541199] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:35:55,008 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 00:35:55,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-13 00:35:55,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772665030] [2021-10-13 00:35:55,012 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:35:55,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:55,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 3 times [2021-10-13 00:35:55,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:55,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949485008] [2021-10-13 00:35:55,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:55,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:55,034 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:55,047 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:55,089 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:55,089 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:55,089 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:55,089 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:55,090 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:35:55,090 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:55,090 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:55,090 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:55,090 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration3_Loop [2021-10-13 00:35:55,090 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:55,091 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:55,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:55,162 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:55,163 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:35:55,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:55,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:55,171 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:55,176 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:55,176 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:55,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:35:55,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:55,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:55,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:55,267 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:55,275 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:55,276 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:55,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:35:55,383 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:35:55,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:55,392 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:55,392 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:55,392 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:55,392 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:55,392 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:35:55,393 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:55,393 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:55,393 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:55,393 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration3_Loop [2021-10-13 00:35:55,393 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:55,393 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:55,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:55,468 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:55,468 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:35:55,468 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:55,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:55,469 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:55,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:55,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:55,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:55,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:55,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:55,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:55,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:35:55,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:55,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:55,507 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:35:55,519 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:35:55,519 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 00:35:55,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:55,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:55,522 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:55,529 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:35:55,529 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:35:55,529 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:35:55,529 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2021-10-13 00:35:55,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:35:55,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:55,577 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:35:55,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:55,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:55,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:55,636 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:35:55,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:55,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:55,669 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:35:55,670 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:35:55,689 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20 transitions. Complement of second has 5 states. [2021-10-13 00:35:55,690 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 [2021-10-13 00:35:55,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:35:55,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-10-13 00:35:55,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-13 00:35:55,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:55,691 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:55,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:55,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:55,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:55,735 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:35:55,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:55,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:55,758 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:35:55,758 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:35:55,773 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20 transitions. Complement of second has 5 states. [2021-10-13 00:35:55,773 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 [2021-10-13 00:35:55,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:35:55,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-10-13 00:35:55,775 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-13 00:35:55,775 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:55,775 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:55,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:55,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:55,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:55,817 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:35:55,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:55,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:55,837 INFO L152 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 [2021-10-13 00:35:55,838 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:35:55,851 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 23 transitions. Complement of second has 4 states. [2021-10-13 00:35:55,852 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 [2021-10-13 00:35:55,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:35:55,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-10-13 00:35:55,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-13 00:35:55,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:55,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-13 00:35:55,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:55,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-13 00:35:55,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:55,855 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 23 transitions. [2021-10-13 00:35:55,856 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 00:35:55,857 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 19 transitions. [2021-10-13 00:35:55,857 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-10-13 00:35:55,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-10-13 00:35:55,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 19 transitions. [2021-10-13 00:35:55,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:55,857 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2021-10-13 00:35:55,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 19 transitions. [2021-10-13 00:35:55,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 5. [2021-10-13 00:35:55,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) 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) [2021-10-13 00:35:55,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2021-10-13 00:35:55,859 INFO L704 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2021-10-13 00:35:55,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:35:55,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:35:55,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:35:55,864 INFO L87 Difference]: Start difference. First operand 5 states and 7 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:35:55,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:35:55,901 INFO L93 Difference]: Finished difference Result 9 states and 12 transitions. [2021-10-13 00:35:55,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:35:55,901 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 12 transitions. [2021-10-13 00:35:55,904 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 00:35:55,905 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 8 states and 11 transitions. [2021-10-13 00:35:55,905 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-13 00:35:55,905 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-10-13 00:35:55,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2021-10-13 00:35:55,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:55,906 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2021-10-13 00:35:55,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2021-10-13 00:35:55,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 6. [2021-10-13 00:35:55,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 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) [2021-10-13 00:35:55,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2021-10-13 00:35:55,910 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2021-10-13 00:35:55,910 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2021-10-13 00:35:55,910 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 00:35:55,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2021-10-13 00:35:55,911 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 00:35:55,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:55,911 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:55,912 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:35:55,912 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2021-10-13 00:35:55,912 INFO L791 eck$LassoCheckResult]: Stem: 296#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 297#L14-2 assume !!(main_~y~0 > 1); 298#L14 [2021-10-13 00:35:55,912 INFO L793 eck$LassoCheckResult]: Loop: 298#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 299#L14-2 assume !!(main_~y~0 > 1); 300#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 301#L14-2 assume !!(main_~y~0 > 1); 298#L14 [2021-10-13 00:35:55,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:55,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-13 00:35:55,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:55,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475478023] [2021-10-13 00:35:55,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:55,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:55,923 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:55,927 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:55,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:55,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1380409, now seen corresponding path program 1 times [2021-10-13 00:35:55,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:55,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637675768] [2021-10-13 00:35:55,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:55,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:55,943 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:55,974 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:55,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:55,975 INFO L82 PathProgramCache]: Analyzing trace with hash 925824930, now seen corresponding path program 2 times [2021-10-13 00:35:55,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:55,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339717308] [2021-10-13 00:35:55,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:55,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:55,985 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:55,994 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:56,033 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:56,033 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:56,033 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:56,033 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:56,033 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:35:56,033 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:56,034 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:56,034 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:56,034 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Loop [2021-10-13 00:35:56,034 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:56,034 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:56,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:56,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:56,107 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:56,107 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:35:56,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:56,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:56,123 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:56,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:56,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:35:56,131 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:56,131 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:56,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:56,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:56,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:56,204 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:56,211 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:56,212 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:56,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:35:56,302 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:35:56,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:56,308 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:56,308 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:56,308 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:56,309 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:56,309 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:35:56,309 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:56,309 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:56,309 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:56,309 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Loop [2021-10-13 00:35:56,309 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:56,309 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:56,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:56,406 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:56,406 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:35:56,406 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:56,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:56,408 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:56,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:56,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:56,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:56,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:56,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:56,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:56,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:56,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:56,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:56,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:35:56,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:56,488 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-13 00:35:56,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:56,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:56,490 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:56,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:56,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:56,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:56,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:56,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:56,512 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:35:56,516 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-13 00:35:56,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:56,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:35:56,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:56,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:56,578 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-13 00:35:56,579 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:56,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:56,580 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:56,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:56,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:56,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:56,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:56,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:56,600 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:35:56,615 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:35:56,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:56,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:35:56,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:56,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:56,676 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-13 00:35:56,677 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:56,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:56,678 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:56,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:56,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:56,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:56,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:56,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:56,702 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-13 00:35:56,709 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-13 00:35:56,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:56,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 00:35:56,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:56,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:56,768 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-13 00:35:56,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:56,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:56,770 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:56,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:56,788 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:56,788 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-13 00:35:56,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:56,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:56,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:56,789 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:35:56,794 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-13 00:35:56,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:56,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 00:35:56,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:56,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:56,861 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-13 00:35:56,861 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:56,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:56,863 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:56,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 00:35:56,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:56,880 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:56,880 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-13 00:35:56,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:56,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:56,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:56,881 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:35:56,887 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:35:56,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:56,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:56,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:56,956 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-13 00:35:56,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:56,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:56,958 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:56,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:56,976 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:56,976 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-13 00:35:56,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:56,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:56,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:56,977 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-13 00:35:56,986 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-13 00:35:56,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:56,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 00:35:57,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:57,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:57,064 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-13 00:35:57,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:57,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:57,066 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:57,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:57,079 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:57,079 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-13 00:35:57,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:57,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:57,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:57,080 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:35:57,084 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:35:57,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:57,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 00:35:57,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:57,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:57,156 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-13 00:35:57,157 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:57,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:57,158 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:57,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:57,176 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:57,176 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-13 00:35:57,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:57,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:57,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:57,177 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-13 00:35:57,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:57,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:57,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 00:35:57,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:57,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:57,270 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:57,271 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:57,271 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:57,271 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:57,271 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:35:57,271 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:57,271 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:57,271 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:57,271 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Lasso [2021-10-13 00:35:57,272 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:57,272 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:57,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:57,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:57,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:57,356 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:57,356 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:35:57,357 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:57,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:57,358 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:57,361 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:57,361 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:57,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 00:35:57,384 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:35:57,384 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:35:57,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:57,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:57,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:57,416 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:57,418 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:57,418 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:57,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 00:35:57,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:57,468 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:57,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:57,469 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:57,471 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:57,471 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:57,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 00:35:57,586 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:35:57,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:57,594 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:57,594 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:57,595 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:57,595 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:57,595 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:35:57,595 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:57,595 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:57,595 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:57,595 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Lasso [2021-10-13 00:35:57,595 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:57,595 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:57,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:57,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:57,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:57,731 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:57,731 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:35:57,731 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:57,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:57,746 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:57,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 00:35:57,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:57,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:57,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:57,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:57,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:57,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:57,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:35:57,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:57,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:57,824 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:57,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:57,825 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:57,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:57,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:57,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:57,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:57,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:57,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:57,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:57,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:57,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 00:35:57,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:57,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-13 00:35:57,875 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:57,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:57,876 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:57,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 00:35:57,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:57,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:57,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:57,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:57,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:57,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:57,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:57,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:57,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:57,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-13 00:35:57,919 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-13 00:35:57,919 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:57,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:57,920 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:57,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 00:35:57,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:57,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:57,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:57,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:57,930 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:35:57,936 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-13 00:35:57,937 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-13 00:35:57,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:57,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:57,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:57,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:57,998 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:58,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 00:35:58,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:58,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:58,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:58,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:58,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:58,019 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:35:58,020 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-13 00:35:58,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:58,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:58,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:58,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:58,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:58,062 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:58,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:58,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:58,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:58,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:58,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:58,077 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:35:58,079 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-13 00:35:58,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:58,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 00:35:58,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:58,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:58,138 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-13 00:35:58,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:58,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:58,143 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:58,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:58,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:58,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:58,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:58,158 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:35:58,170 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-13 00:35:58,170 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 00:35:58,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 00:35:58,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:58,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-13 00:35:58,208 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:58,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:58,210 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:58,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-13 00:35:58,211 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 [2021-10-13 00:35:58,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:58,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:58,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:58,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:58,219 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:35:58,220 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:35:58,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:58,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:58,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:58,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:58,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:58,267 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:58,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-13 00:35:58,269 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 [2021-10-13 00:35:58,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:58,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:58,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:58,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:58,277 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:35:58,277 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:35:58,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:58,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:58,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:58,305 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-13 00:35:58,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:58,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:58,305 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:58,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-13 00:35:58,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:58,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:58,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:58,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:58,314 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-13 00:35:58,323 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-10-13 00:35:58,323 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-10-13 00:35:58,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:58,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:58,395 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:58,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:58,396 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:58,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:58,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:58,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:58,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:58,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:58,413 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-13 00:35:58,414 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-13 00:35:58,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:58,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-13 00:35:58,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:58,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:58,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:58,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:58,465 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:58,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:58,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:58,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:58,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:58,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:58,503 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-13 00:35:58,504 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-13 00:35:58,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:58,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-13 00:35:58,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:58,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:58,552 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-13 00:35:58,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:58,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:58,553 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:58,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:58,570 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:58,570 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-13 00:35:58,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:58,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:58,570 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:35:58,577 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-13 00:35:58,577 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-13 00:35:58,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-13 00:35:58,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:58,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:58,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:58,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:58,640 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:58,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:58,652 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:58,652 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-13 00:35:58,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:58,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:58,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:58,653 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:35:58,654 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-13 00:35:58,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:58,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-13 00:35:58,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:58,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:58,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:58,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:58,706 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:58,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:58,718 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:58,718 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-13 00:35:58,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:58,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:58,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:58,718 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:35:58,719 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-13 00:35:58,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:58,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-13 00:35:58,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:58,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:58,774 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-13 00:35:58,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:58,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:58,777 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:58,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:58,790 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:58,790 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-13 00:35:58,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:58,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:58,790 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:35:58,799 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-13 00:35:58,799 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 00:35:58,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-13 00:35:58,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:58,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:58,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:58,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:58,865 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:58,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:58,878 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:58,878 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-13 00:35:58,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:58,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:58,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:58,878 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:35:58,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-13 00:35:58,880 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:35:58,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:58,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:58,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:58,939 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:58,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:58,940 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:58,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:58,954 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:58,954 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-13 00:35:58,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:58,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:58,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:58,955 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:35:58,956 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:35:58,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:58,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-13 00:35:58,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:59,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:59,008 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-13 00:35:59,008 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:59,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:59,009 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:59,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:59,023 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:59,023 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-13 00:35:59,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:59,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:59,023 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-13 00:35:59,035 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-10-13 00:35:59,035 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-10-13 00:35:59,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-13 00:35:59,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:59,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:59,153 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:59,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:59,154 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:59,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:59,171 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:59,171 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-13 00:35:59,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:59,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:59,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:59,172 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-13 00:35:59,173 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-13 00:35:59,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:59,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-13 00:35:59,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:59,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:59,223 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:59,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:59,225 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:59,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:59,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-13 00:35:59,237 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:59,237 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-13 00:35:59,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:59,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:59,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:59,238 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-13 00:35:59,240 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-13 00:35:59,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:59,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:59,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-13 00:35:59,275 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-13 00:35:59,276 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:59,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:59,279 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:59,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:59,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-13 00:35:59,294 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:59,294 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-13 00:35:59,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:59,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:59,294 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:35:59,302 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-13 00:35:59,302 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 00:35:59,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:59,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:59,373 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:59,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:59,375 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:59,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:59,395 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:59,395 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-13 00:35:59,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:59,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:59,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:59,396 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:35:59,397 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:35:59,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:59,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-13 00:35:59,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:59,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:59,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:59,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:59,454 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:59,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:59,466 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:59,467 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-13 00:35:59,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-13 00:35:59,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:59,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:59,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:59,467 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:35:59,468 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:35:59,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:59,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:59,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:59,520 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-13 00:35:59,521 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:59,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:59,522 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:59,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:59,544 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:59,545 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-13 00:35:59,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:59,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:59,545 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-13 00:35:59,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-13 00:35:59,562 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-10-13 00:35:59,562 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-10-13 00:35:59,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:59,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:59,626 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:59,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:59,628 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:59,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:59,640 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:59,640 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-13 00:35:59,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:59,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:59,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:59,640 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-13 00:35:59,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-13 00:35:59,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:59,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:59,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:59,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:59,694 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:59,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:59,695 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:59,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:35:59,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-13 00:35:59,708 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:35:59,708 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-13 00:35:59,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:59,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:59,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:59,708 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-13 00:35:59,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:59,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:59,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:59,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:59,757 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-10-13 00:35:59,758 INFO L791 eck$LassoCheckResult]: Stem: 296#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0; 297#L14-2 assume !!(main_~y~0 > 1); 298#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 299#L14-2 assume !!(main_~y~0 > 1); 300#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 301#L14-2 assume !!(main_~y~0 > 1); 298#L14 [2021-10-13 00:35:59,758 INFO L793 eck$LassoCheckResult]: Loop: 298#L14 assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0; 299#L14-2 assume !!(main_~y~0 > 1); 300#L14 assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2); 301#L14-2 assume !!(main_~y~0 > 1); 298#L14 [2021-10-13 00:35:59,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:59,758 INFO L82 PathProgramCache]: Analyzing trace with hash 925824930, now seen corresponding path program 3 times [2021-10-13 00:35:59,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:59,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301993367] [2021-10-13 00:35:59,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:59,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:59,770 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:59,780 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:59,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:59,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1380409, now seen corresponding path program 2 times [2021-10-13 00:35:59,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:59,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463605407] [2021-10-13 00:35:59,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:59,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:59,790 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:59,798 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:59,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:59,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1848815782, now seen corresponding path program 4 times [2021-10-13 00:35:59,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:59,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333372619] [2021-10-13 00:35:59,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:59,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:59,814 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:59,831 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:59,877 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:59,877 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:59,877 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:59,878 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:59,878 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:35:59,878 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:59,878 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:59,878 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:59,878 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Loop [2021-10-13 00:35:59,878 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:59,879 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:59,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:59,942 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:59,942 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:35:59,942 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:59,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:59,943 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:59,951 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:59,952 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:59,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-13 00:36:00,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:00,027 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:00,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:00,028 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:00,030 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:36:00,030 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:36:00,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-13 00:36:00,164 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:36:00,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:00,168 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:36:00,168 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:36:00,168 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:36:00,168 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:36:00,168 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:36:00,168 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:00,168 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:36:00,168 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:36:00,168 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Loop [2021-10-13 00:36:00,169 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:36:00,169 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:36:00,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:36:00,246 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:36:00,246 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:36:00,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:00,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:00,248 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:00,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:00,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:36:00,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:00,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:00,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:00,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:36:00,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:36:00,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:00,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-13 00:36:00,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:00,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:00,323 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-13 00:36:00,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:00,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:00,325 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:00,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:00,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:36:00,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:00,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:00,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:00,338 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:36:00,340 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-13 00:36:00,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:00,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-13 00:36:00,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:00,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:00,394 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-13 00:36:00,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:00,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:00,395 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:00,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:00,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:36:00,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:00,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:00,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:00,409 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:36:00,412 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:36:00,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:00,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-13 00:36:00,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:00,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:00,448 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-13 00:36:00,448 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:00,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:00,449 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:00,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-13 00:36:00,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:00,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:36:00,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:00,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:00,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:00,459 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-13 00:36:00,462 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-13 00:36:00,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:00,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:00,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:00,490 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-13 00:36:00,490 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:00,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:00,492 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:00,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-13 00:36:00,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:00,503 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:00,503 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-13 00:36:00,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:00,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:00,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:00,503 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:36:00,506 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-13 00:36:00,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:00,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:00,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-10-13 00:36:00,544 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-13 00:36:00,545 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:00,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:00,545 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:00,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-13 00:36:00,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:00,556 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:00,556 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-13 00:36:00,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:00,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:00,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:00,557 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:36:00,563 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:36:00,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:00,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:00,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:00,622 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-13 00:36:00,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:00,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:00,625 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:00,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:00,655 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:00,655 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-13 00:36:00,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:00,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:00,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:00,656 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-13 00:36:00,662 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-13 00:36:00,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:00,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-13 00:36:00,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:00,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:00,728 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-13 00:36:00,728 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:00,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:00,729 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:00,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:00,740 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:00,740 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-13 00:36:00,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:00,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:00,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:00,740 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:36:00,743 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:36:00,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:00,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-13 00:36:00,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:00,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-13 00:36:00,786 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-13 00:36:00,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:00,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:00,787 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:00,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-13 00:36:00,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:00,796 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:00,796 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-13 00:36:00,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:00,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:00,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:00,796 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-13 00:36:00,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:36:00,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:00,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:00,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-13 00:36:01,087 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:36:01,087 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:36:01,088 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:36:01,088 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:36:01,088 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:36:01,088 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:01,088 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:36:01,088 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:36:01,088 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Lasso [2021-10-13 00:36:01,088 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:36:01,088 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:36:01,088 WARN L313 ript$VariableManager]: TermVariabe |aux_div_v_ULTIMATE.start_main_#t~nondet0_9_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:36:01,089 WARN L313 ript$VariableManager]: TermVariabe |aux_mod_v_ULTIMATE.start_main_#t~nondet0_9_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:36:01,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:36:01,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:36:01,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:36:01,254 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:36:01,254 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:36:01,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:01,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:01,259 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:01,264 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:36:01,264 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:36:01,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-13 00:36:01,288 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:36:01,288 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:36:01,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:01,332 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:01,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:01,333 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:01,339 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:36:01,340 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:36:01,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-13 00:36:01,363 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:36:01,363 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:36:01,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:01,402 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:01,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:01,403 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:01,406 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:36:01,406 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:36:01,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-13 00:36:01,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:01,487 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:01,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:01,488 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:01,490 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:36:01,490 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:36:01,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-13 00:36:01,658 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:36:01,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:01,662 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:36:01,662 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:36:01,662 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:36:01,662 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:36:01,663 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:36:01,663 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:01,663 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:36:01,663 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:36:01,663 INFO L133 ssoRankerPreferences]: Filename of dumped script: Collatz.c_Iteration4_Lasso [2021-10-13 00:36:01,663 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:36:01,663 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:36:01,663 WARN L313 ript$VariableManager]: TermVariabe |aux_div_v_ULTIMATE.start_main_#t~nondet0_9_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:36:01,663 WARN L313 ript$VariableManager]: TermVariabe |aux_mod_v_ULTIMATE.start_main_#t~nondet0_9_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 00:36:01,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:36:01,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:36:01,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:36:01,823 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:36:01,823 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:36:01,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:01,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:01,824 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:01,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:01,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:36:01,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:01,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:01,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:01,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:36:01,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:36:01,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:01,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-13 00:36:01,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:01,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:01,904 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:01,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:01,905 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:01,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:01,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:36:01,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:01,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:01,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:01,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:36:01,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:36:01,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:01,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-13 00:36:01,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:01,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:01,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:01,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:01,988 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:01,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:02,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:36:02,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:02,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:02,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:36:02,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:36:02,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:36:02,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-13 00:36:02,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:02,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:02,066 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-13 00:36:02,066 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:02,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:02,071 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:02,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:02,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:36:02,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:02,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:02,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:02,085 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:36:02,086 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-13 00:36:02,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:02,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-13 00:36:02,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:02,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:02,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:02,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:02,140 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:02,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:02,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:36:02,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:02,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:02,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:02,154 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:36:02,155 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-13 00:36:02,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:02,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-13 00:36:02,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:02,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:02,211 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:02,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:02,213 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:02,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:02,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:36:02,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:02,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:02,227 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:36:02,234 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-13 00:36:02,235 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-13 00:36:02,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-13 00:36:02,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:02,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-10-13 00:36:02,295 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-13 00:36:02,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:02,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:02,296 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:02,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-13 00:36:02,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:02,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:36:02,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:02,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:02,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:02,307 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:36:02,307 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:36:02,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:02,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:02,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-13 00:36:02,332 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:02,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:02,333 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:02,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-13 00:36:02,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:02,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:36:02,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:02,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:02,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:02,343 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:36:02,344 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:36:02,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:02,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:02,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-10-13 00:36:02,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:02,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:02,370 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:02,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-13 00:36:02,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:02,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:36:02,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:02,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:02,381 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:36:02,393 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-13 00:36:02,393 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 00:36:02,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:02,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:02,450 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-13 00:36:02,450 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:02,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:02,451 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:02,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:02,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:36:02,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:02,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:02,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:02,471 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-13 00:36:02,472 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-13 00:36:02,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:02,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-13 00:36:02,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:02,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:02,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:02,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:02,522 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:02,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:02,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:36:02,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:02,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:02,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:02,536 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-13 00:36:02,537 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-13 00:36:02,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:02,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-13 00:36:02,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:02,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:02,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:02,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:02,587 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:02,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:02,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:36:02,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:02,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:02,600 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-13 00:36:02,611 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-10-13 00:36:02,611 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-10-13 00:36:02,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-13 00:36:02,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:02,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:02,673 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-13 00:36:02,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:02,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:02,675 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:02,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:02,688 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:02,688 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-13 00:36:02,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:02,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:02,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:02,689 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:36:02,690 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-13 00:36:02,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:02,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-13 00:36:02,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:02,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:02,739 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:02,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:02,743 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:02,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:02,757 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:02,758 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-13 00:36:02,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:02,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:02,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:02,758 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:36:02,759 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-13 00:36:02,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:02,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-13 00:36:02,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:02,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:02,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:02,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:02,809 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:02,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:02,825 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:02,825 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-13 00:36:02,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:02,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:02,826 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-13 00:36:02,833 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-13 00:36:02,833 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-13 00:36:02,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-13 00:36:02,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:02,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:02,904 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-13 00:36:02,904 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:02,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:02,905 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:02,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:02,922 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:02,922 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-13 00:36:02,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:02,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:02,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:02,922 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:36:02,923 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:36:02,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:02,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-13 00:36:02,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:02,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:02,967 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:02,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:02,969 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:02,971 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 [2021-10-13 00:36:02,980 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:02,981 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-13 00:36:02,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:02,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:02,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:02,981 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:36:02,982 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:36:02,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:02,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-13 00:36:02,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:03,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-10-13 00:36:03,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:03,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:03,018 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:03,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-13 00:36:03,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:03,027 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:03,028 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-13 00:36:03,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:03,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:03,028 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:36:03,035 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-13 00:36:03,036 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 00:36:03,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:03,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-10-13 00:36:03,082 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-13 00:36:03,082 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:03,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:03,083 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:03,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-13 00:36:03,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:03,093 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:03,093 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-13 00:36:03,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:03,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:03,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:03,094 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-13 00:36:03,095 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-13 00:36:03,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:03,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:03,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-10-13 00:36:03,155 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:03,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:03,156 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:03,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-13 00:36:03,157 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 [2021-10-13 00:36:03,166 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:03,166 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-13 00:36:03,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:03,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:03,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:03,166 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-13 00:36:03,168 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-13 00:36:03,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:03,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:03,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:03,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:03,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:03,243 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:03,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-13 00:36:03,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:03,256 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:03,256 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-13 00:36:03,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:03,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:03,256 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-13 00:36:03,269 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-10-13 00:36:03,269 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-10-13 00:36:03,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:03,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:03,356 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-13 00:36:03,357 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:03,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:03,357 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:03,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-13 00:36:03,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:03,367 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:03,367 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-13 00:36:03,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:03,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:03,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:03,368 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:36:03,368 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:36:03,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:03,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:03,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:03,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:03,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:03,417 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:03,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:03,434 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:03,434 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-13 00:36:03,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:03,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:03,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:03,435 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:36:03,436 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:36:03,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:03,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-13 00:36:03,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:03,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:03,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:03,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:03,487 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:03,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:03,500 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:03,501 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-13 00:36:03,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:03,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:03,501 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-13 00:36:03,518 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-13 00:36:03,518 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 00:36:03,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-13 00:36:03,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:03,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:03,581 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-13 00:36:03,581 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:03,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:03,583 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:03,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:03,596 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:03,596 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-13 00:36:03,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:03,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:03,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:03,597 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-13 00:36:03,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:36:03,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:03,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-13 00:36:03,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:03,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-10-13 00:36:03,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:03,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:03,642 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:03,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-13 00:36:03,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:03,653 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:03,653 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-13 00:36:03,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:36:03,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:03,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:03,653 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-13 00:36:03,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:36:03,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:36:03,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:03,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-10-13 00:36:03,717 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:36:03,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:36:03,718 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:36:03,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-13 00:36:03,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:36:03,728 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-13 00:36:03,728 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-13 00:36:03,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:36:03,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:36:03,728 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-13 00:36:03,742 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-10-13 00:36:03,742 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-10-13 00:36:03,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:36:03,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-10-13 00:36:03,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:36:03 BoogieIcfgContainer [2021-10-13 00:36:03,799 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:36:03,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:36:03,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:36:03,800 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:36:03,800 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:35:52" (3/4) ... [2021-10-13 00:36:03,803 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:36:03,803 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:36:03,805 INFO L168 Benchmark]: Toolchain (without parser) took 11636.59 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 83.9 MB in the beginning and 93.5 MB in the end (delta: -9.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:36:03,805 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 117.4 MB. Free memory was 88.9 MB in the beginning and 88.9 MB in the end (delta: 32.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:36:03,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.89 ms. Allocated memory is still 117.4 MB. Free memory was 83.5 MB in the beginning and 95.3 MB in the end (delta: -11.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:36:03,806 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.96 ms. Allocated memory is still 117.4 MB. Free memory was 95.3 MB in the beginning and 93.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:36:03,807 INFO L168 Benchmark]: Boogie Preprocessor took 18.51 ms. Allocated memory is still 117.4 MB. Free memory was 93.9 MB in the beginning and 93.2 MB in the end (delta: 712.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:36:03,807 INFO L168 Benchmark]: RCFGBuilder took 220.27 ms. Allocated memory is still 117.4 MB. Free memory was 93.2 MB in the beginning and 85.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:36:03,808 INFO L168 Benchmark]: BuchiAutomizer took 11110.47 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 85.2 MB in the beginning and 93.5 MB in the end (delta: -8.3 MB). Peak memory consumption was 77.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:36:03,808 INFO L168 Benchmark]: Witness Printer took 4.23 ms. Allocated memory is still 142.6 MB. Free memory is still 93.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:36:03,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 117.4 MB. Free memory was 88.9 MB in the beginning and 88.9 MB in the end (delta: 32.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 244.89 ms. Allocated memory is still 117.4 MB. Free memory was 83.5 MB in the beginning and 95.3 MB in the end (delta: -11.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.96 ms. Allocated memory is still 117.4 MB. Free memory was 95.3 MB in the beginning and 93.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.51 ms. Allocated memory is still 117.4 MB. Free memory was 93.9 MB in the beginning and 93.2 MB in the end (delta: 712.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 220.27 ms. Allocated memory is still 117.4 MB. Free memory was 93.2 MB in the beginning and 85.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 11110.47 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 85.2 MB in the beginning and 93.5 MB in the end (delta: -8.3 MB). Peak memory consumption was 77.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.23 ms. Allocated memory is still 142.6 MB. Free memory is still 93.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * 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 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.0s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 10.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 4. Automata minimization 22.4ms AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 22 SDtfs, 20 SDslu, 6 SDs, 0 SdLazy, 44 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 61.6ms Time LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div517 bol100 ite100 ukn100 eq125 hnf42 smp72 dnf100 smp100 tf105 neg99 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 54ms VariablesStem: 4 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~y~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;" "assume !!(main_~y~0 > 1);" "assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0;" "assume !!(main_~y~0 > 1);" "assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2);" "assume !!(main_~y~0 > 1);" Loop: "assume !(0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2));main_~y~0 := 1 + 3 * main_~y~0;" "assume !!(main_~y~0 > 1);" "assume 0 == (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then main_~y~0 % 2 - 2 else main_~y~0 % 2);main_~y~0 := (if main_~y~0 < 0 && 0 != main_~y~0 % 2 then 1 + main_~y~0 / 2 else main_~y~0 / 2);" "assume !!(main_~y~0 > 1);" RESULT: Ultimate could not prove your program: unable to determine termination [2021-10-13 00:36:03,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:36:04,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fa6078a-8810-46c9-be69-11cf4313c87f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...