./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/lcm2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/lcm2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY --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 32bit --witnessprinter.graph.data.programhash c2e3639073418bb6e86bec4d3a07ea2eb72b681bce70454dba8870b60fba9904 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:35:42,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:35:42,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:35:42,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:35:42,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:35:42,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:35:42,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:35:42,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:35:42,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:35:42,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:35:42,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:35:42,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:35:42,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:35:42,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:35:42,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:35:42,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:35:42,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:35:42,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:35:42,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:35:42,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:35:42,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:35:42,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:35:42,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:35:42,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:35:42,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:35:42,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:35:42,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:35:42,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:35:42,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:35:42,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:35:42,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:35:42,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:35:42,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:35:42,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:35:42,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:35:42,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:35:42,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:35:42,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:35:42,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:35:42,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:35:42,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:35:42,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-07 08:35:42,383 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:35:42,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:35:42,384 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:35:42,385 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:35:42,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:35:42,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:35:42,387 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:35:42,388 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-07 08:35:42,388 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-07 08:35:42,388 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-07 08:35:42,389 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-07 08:35:42,389 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-07 08:35:42,390 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-07 08:35:42,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:35:42,390 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:35:42,390 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 08:35:42,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:35:42,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:35:42,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:35:42,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-07 08:35:42,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-07 08:35:42,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-07 08:35:42,392 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:35:42,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:35:42,392 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-07 08:35:42,392 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:35:42,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-07 08:35:42,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:35:42,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:35:42,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:35:42,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:35:42,396 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:35:42,397 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-07 08:35:42,397 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_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2e3639073418bb6e86bec4d3a07ea2eb72b681bce70454dba8870b60fba9904 [2021-11-07 08:35:42,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:35:42,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:35:42,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:35:42,783 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:35:42,784 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:35:42,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/termination-nla/lcm2-both-nt.c [2021-11-07 08:35:42,870 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/data/2187c986d/e86155fec45043f3968d553222085d4c/FLAGad6a73900 [2021-11-07 08:35:43,423 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:35:43,424 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/sv-benchmarks/c/termination-nla/lcm2-both-nt.c [2021-11-07 08:35:43,437 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/data/2187c986d/e86155fec45043f3968d553222085d4c/FLAGad6a73900 [2021-11-07 08:35:43,750 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/data/2187c986d/e86155fec45043f3968d553222085d4c [2021-11-07 08:35:43,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:35:43,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:35:43,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:35:43,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:35:43,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:35:43,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:35:43" (1/1) ... [2021-11-07 08:35:43,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cec2055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:43, skipping insertion in model container [2021-11-07 08:35:43,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:35:43" (1/1) ... [2021-11-07 08:35:43,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:35:43,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:35:43,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:35:44,011 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:35:44,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:35:44,051 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:35:44,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:44 WrapperNode [2021-11-07 08:35:44,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:35:44,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:35:44,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:35:44,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:35:44,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:44" (1/1) ... [2021-11-07 08:35:44,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:44" (1/1) ... [2021-11-07 08:35:44,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:35:44,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:35:44,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:35:44,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:35:44,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:44" (1/1) ... [2021-11-07 08:35:44,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:44" (1/1) ... [2021-11-07 08:35:44,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:44" (1/1) ... [2021-11-07 08:35:44,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:44" (1/1) ... [2021-11-07 08:35:44,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:44" (1/1) ... [2021-11-07 08:35:44,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:44" (1/1) ... [2021-11-07 08:35:44,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:44" (1/1) ... [2021-11-07 08:35:44,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:35:44,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:35:44,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:35:44,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:35:44,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:44" (1/1) ... [2021-11-07 08:35:44,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:44,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:44,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:44,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-07 08:35:44,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:35:44,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:35:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2021-11-07 08:35:44,458 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:35:44,459 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-07 08:35:44,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:35:44 BoogieIcfgContainer [2021-11-07 08:35:44,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:35:44,462 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-07 08:35:44,462 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-07 08:35:44,466 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-07 08:35:44,467 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:35:44,467 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 08:35:43" (1/3) ... [2021-11-07 08:35:44,483 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11b56fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 08:35:44, skipping insertion in model container [2021-11-07 08:35:44,483 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:35:44,483 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:44" (2/3) ... [2021-11-07 08:35:44,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11b56fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 08:35:44, skipping insertion in model container [2021-11-07 08:35:44,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:35:44,484 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:35:44" (3/3) ... [2021-11-07 08:35:44,486 INFO L389 chiAutomizerObserver]: Analyzing ICFG lcm2-both-nt.c [2021-11-07 08:35:44,540 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-07 08:35:44,541 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-07 08:35:44,541 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-07 08:35:44,541 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-07 08:35:44,541 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-07 08:35:44,541 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-07 08:35:44,542 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-07 08:35:44,542 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-07 08:35:44,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:35:44,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 08:35:44,593 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:35:44,593 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:35:44,600 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-07 08:35:44,600 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 08:35:44,600 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-07 08:35:44,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:35:44,602 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 08:35:44,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:35:44,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:35:44,603 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-07 08:35:44,603 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 08:35:44,628 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_#t~ret1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~u~0, main_~v~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~u~0;havoc main_~v~0;call main_#t~ret0 := __VERIFIER_nondet_unsigned_int();main_~a~0 := (if main_#t~ret0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~ret0 % 4294967296 % 4294967296 else main_#t~ret0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~ret0;call main_#t~ret1 := __VERIFIER_nondet_unsigned_int();main_~b~0 := (if main_#t~ret1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~ret1 % 4294967296 % 4294967296 else main_#t~ret1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~ret1; 5#L30true assume !(((main_~a~0 < 1 || main_~b~0 < 1) || main_~a~0 > 65535) || main_~b~0 > 65535);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~u~0 := main_~b~0;main_~v~0 := main_~a~0; 7#L45-2true [2021-11-07 08:35:44,628 INFO L793 eck$LassoCheckResult]: Loop: 7#L45-2true assume !false; 10#L42true assume !!(main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 == 2 * main_~a~0 * main_~b~0); 9#L45true assume main_~x~0 > main_~y~0;main_~x~0 := main_~x~0 - main_~y~0;main_~v~0 := main_~v~0 + main_~u~0; 7#L45-2true [2021-11-07 08:35:44,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:35:44,635 INFO L85 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2021-11-07 08:35:44,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:35:44,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463391408] [2021-11-07 08:35:44,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:35:44,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:35:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:35:44,881 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:35:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:35:44,940 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:35:44,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:35:44,945 INFO L85 PathProgramCache]: Analyzing trace with hash 44849, now seen corresponding path program 1 times [2021-11-07 08:35:44,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:35:44,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375696643] [2021-11-07 08:35:44,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:35:44,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:35:44,967 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:35:44,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1692829209] [2021-11-07 08:35:44,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:35:44,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:35:44,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:44,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:35:44,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 08:35:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:35:45,040 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:35:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:35:45,064 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:35:45,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:35:45,067 INFO L85 PathProgramCache]: Analyzing trace with hash 29746476, now seen corresponding path program 1 times [2021-11-07 08:35:45,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:35:45,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367886761] [2021-11-07 08:35:45,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:35:45,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:35:45,081 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:35:45,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1886923092] [2021-11-07 08:35:45,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:35:45,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:35:45,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:45,084 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:35:45,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 08:35:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:35:45,129 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:35:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:35:45,142 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:35:45,548 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:35:45,549 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:35:45,549 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:35:45,549 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:35:45,549 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 08:35:45,549 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:45,550 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:35:45,554 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:35:45,554 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm2-both-nt.c_Iteration1_Lasso [2021-11-07 08:35:45,554 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:35:45,554 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:35:45,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:35:45,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:35:45,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:35:45,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:35:45,784 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:35:45,798 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 08:35:45,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:45,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:45,839 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:45,845 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:35:45,845 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:35:45,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-07 08:35:45,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-11-07 08:35:45,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:45,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:45,907 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:45,913 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 08:35:45,913 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:35:45,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-07 08:35:45,962 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 08:35:46,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:46,005 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:35:46,006 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:35:46,006 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:35:46,006 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:35:46,006 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 08:35:46,006 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:46,006 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:35:46,006 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:35:46,006 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm2-both-nt.c_Iteration1_Lasso [2021-11-07 08:35:46,006 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:35:46,007 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:35:46,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:35:46,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:35:46,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:35:46,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:35:46,231 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:35:46,236 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 08:35:46,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:46,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:46,245 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:46,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-07 08:35:46,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:46,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:35:46,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:46,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:46,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:46,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:35:46,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:35:46,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:46,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:46,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-11-07 08:35:46,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:46,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:46,366 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:46,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:46,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:35:46,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:46,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:46,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:35:46,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:35:46,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:35:46,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-07 08:35:46,424 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 08:35:46,445 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-11-07 08:35:46,445 INFO L444 ModelExtractionUtils]: 14 out of 22 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-07 08:35:46,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:46,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:46,451 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:46,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-07 08:35:46,454 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 08:35:46,465 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-07 08:35:46,466 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 08:35:46,466 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~x~0 - 1*ULTIMATE.start_main_~y~0 Supporting invariants [1*ULTIMATE.start_main_~y~0 - 1 >= 0] [2021-11-07 08:35:46,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:46,501 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2021-11-07 08:35:46,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:35:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:35:46,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 08:35:46,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:35:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:35:46,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 08:35:46,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:35:46,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:35:46,641 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-11-07 08:35:46,643 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:35:46,719 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 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 30 states and 38 transitions. Complement of second has 6 states. [2021-11-07 08:35:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-07 08:35:46,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:35:46,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-11-07 08:35:46,726 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 2 letters. Loop has 3 letters. [2021-11-07 08:35:46,727 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:35:46,727 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 3 letters. [2021-11-07 08:35:46,727 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:35:46,728 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 2 letters. Loop has 6 letters. [2021-11-07 08:35:46,728 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:35:46,732 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 38 transitions. [2021-11-07 08:35:46,740 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 08:35:46,745 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 11 states and 14 transitions. [2021-11-07 08:35:46,746 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-11-07 08:35:46,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-11-07 08:35:46,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2021-11-07 08:35:46,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:35:46,748 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-11-07 08:35:46,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2021-11-07 08:35:46,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-07 08:35:46,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:35:46,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2021-11-07 08:35:46,780 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-11-07 08:35:46,780 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-11-07 08:35:46,781 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-07 08:35:46,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2021-11-07 08:35:46,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 08:35:46,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:35:46,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:35:46,784 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-07 08:35:46,784 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 08:35:46,785 INFO L791 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~ret0, main_#t~ret1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~u~0, main_~v~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~u~0;havoc main_~v~0;call main_#t~ret0 := __VERIFIER_nondet_unsigned_int();main_~a~0 := (if main_#t~ret0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~ret0 % 4294967296 % 4294967296 else main_#t~ret0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~ret0;call main_#t~ret1 := __VERIFIER_nondet_unsigned_int();main_~b~0 := (if main_#t~ret1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~ret1 % 4294967296 % 4294967296 else main_#t~ret1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~ret1; 87#L30 assume !(((main_~a~0 < 1 || main_~b~0 < 1) || main_~a~0 > 65535) || main_~b~0 > 65535);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~u~0 := main_~b~0;main_~v~0 := main_~a~0; 88#L45-2 assume !false; 94#L42 assume !!(main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 == 2 * main_~a~0 * main_~b~0); 95#L45 assume !(main_~x~0 > main_~y~0);main_~y~0 := main_~y~0 - main_~x~0;main_~u~0 := main_~u~0 + main_~v~0; 90#L45-2 [2021-11-07 08:35:46,785 INFO L793 eck$LassoCheckResult]: Loop: 90#L45-2 assume !false; 91#L42 assume !!(main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 == 2 * main_~a~0 * main_~b~0); 97#L45 assume main_~x~0 > main_~y~0;main_~x~0 := main_~x~0 - main_~y~0;main_~v~0 := main_~v~0 + main_~u~0; 90#L45-2 [2021-11-07 08:35:46,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:35:46,786 INFO L85 PathProgramCache]: Analyzing trace with hash 29746478, now seen corresponding path program 1 times [2021-11-07 08:35:46,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:35:46,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616679381] [2021-11-07 08:35:46,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:35:46,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:35:46,815 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:35:46,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1343267746] [2021-11-07 08:35:46,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:35:46,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:35:46,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:46,823 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:35:46,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 08:35:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:35:46,871 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:35:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:35:46,899 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:35:46,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:35:46,900 INFO L85 PathProgramCache]: Analyzing trace with hash 44849, now seen corresponding path program 2 times [2021-11-07 08:35:46,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:35:46,900 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755141546] [2021-11-07 08:35:46,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:35:46,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:35:46,903 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:35:46,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1221492543] [2021-11-07 08:35:46,904 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 08:35:46,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:35:46,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:46,929 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:35:46,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 08:35:46,964 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-07 08:35:46,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-07 08:35:46,964 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:35:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:35:46,971 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:35:46,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:35:46,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1414078180, now seen corresponding path program 1 times [2021-11-07 08:35:46,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:35:46,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370345720] [2021-11-07 08:35:46,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:35:46,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:35:46,984 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:35:46,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [603877987] [2021-11-07 08:35:46,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:35:46,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:35:46,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:46,987 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:35:46,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-07 08:35:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:35:47,028 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:35:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:35:47,040 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:35:47,853 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:35:47,854 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:35:47,854 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:35:47,854 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:35:47,854 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 08:35:47,854 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:47,854 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:35:47,854 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:35:47,854 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm2-both-nt.c_Iteration2_Lasso [2021-11-07 08:35:47,854 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:35:47,854 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:35:47,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:35:47,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:35:47,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:35:47,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:35:48,132 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:35:48,132 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 08:35:48,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:48,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:48,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-07 08:35:48,143 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:48,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-07 08:35:48,152 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:35:48,152 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:35:48,163 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:35:48,163 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0=0} Honda state: {ULTIMATE.start_main_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:35:48,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:48,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:48,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:48,196 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:48,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-07 08:35:48,201 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:35:48,201 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:35:48,211 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:35:48,211 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: [] [2021-11-07 08:35:48,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:48,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:48,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:48,240 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:48,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-07 08:35:48,253 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:35:48,253 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:35:48,263 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:35:48,263 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret1=0} Honda state: {ULTIMATE.start_main_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:35:48,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:48,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:48,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:48,296 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:48,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-07 08:35:48,299 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:35:48,299 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:35:48,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:48,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:48,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:48,367 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:48,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-07 08:35:48,371 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 08:35:48,371 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:35:48,404 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 08:35:48,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:48,426 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:35:48,427 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:35:48,427 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:35:48,427 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:35:48,427 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 08:35:48,427 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:48,427 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:35:48,427 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:35:48,427 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm2-both-nt.c_Iteration2_Lasso [2021-11-07 08:35:48,427 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:35:48,427 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:35:48,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:35:48,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:35:48,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:35:48,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:35:48,728 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:35:48,729 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 08:35:48,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:48,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:48,738 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:48,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:48,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-07 08:35:48,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:35:48,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:48,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:48,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:48,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:35:48,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:35:48,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:48,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:48,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:48,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:48,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:48,822 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:48,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:48,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:35:48,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:48,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:48,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:48,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:35:48,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:35:48,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:48,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-07 08:35:48,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:48,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:48,879 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:48,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:48,881 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:48,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:48,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-07 08:35:48,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:35:48,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:48,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:48,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:35:48,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:35:48,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:35:48,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:48,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:48,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:48,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:48,982 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:48,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-07 08:35:48,990 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 [2021-11-07 08:35:48,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:35:48,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:48,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:48,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:48,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:35:48,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:35:48,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:49,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:49,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:49,029 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-07 08:35:49,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:49,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:49,030 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:49,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-07 08:35:49,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:49,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:35:49,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:49,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:49,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:49,042 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:35:49,042 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:35:49,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:49,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:49,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-11-07 08:35:49,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:49,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:49,082 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:49,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-07 08:35:49,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:49,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:35:49,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:49,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:49,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:49,093 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:35:49,094 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:35:49,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:49,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:49,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:49,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:49,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:49,141 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:49,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-07 08:35:49,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:49,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:35:49,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:49,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:49,154 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:35:49,172 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-07 08:35:49,172 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-07 08:35:49,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:49,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:49,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:49,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:49,217 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:49,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-07 08:35:49,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:49,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:35:49,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:49,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:49,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:49,227 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:35:49,228 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:35:49,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:49,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:49,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:49,263 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-07 08:35:49,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:49,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:49,268 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:49,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-07 08:35:49,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:49,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:35:49,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:49,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:49,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:49,279 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:35:49,279 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:35:49,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:49,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:49,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:49,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:49,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:49,306 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:49,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-07 08:35:49,307 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 [2021-11-07 08:35:49,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:35:49,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:49,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:49,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:49,317 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:35:49,317 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:35:49,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:49,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:49,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:49,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:49,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:49,344 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:49,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:49,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-07 08:35:49,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:35:49,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:49,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:49,357 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:35:49,372 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 08:35:49,372 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 08:35:49,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:49,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-07 08:35:49,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:49,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:49,428 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:49,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:49,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-07 08:35:49,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:35:49,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:49,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:49,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:49,441 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:35:49,441 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:35:49,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:49,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:49,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:49,467 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-07 08:35:49,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:49,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:49,471 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:49,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-07 08:35:49,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:49,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:35:49,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:49,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:49,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:49,483 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:35:49,485 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:35:49,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:49,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:49,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-11-07 08:35:49,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:49,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:49,535 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:49,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-07 08:35:49,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:49,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:35:49,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:49,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:49,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:49,547 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:35:49,548 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:35:49,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:49,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:49,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-07 08:35:49,587 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:49,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:49,588 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:49,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-07 08:35:49,589 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 [2021-11-07 08:35:49,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:35:49,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:49,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:49,600 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:35:49,619 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-07 08:35:49,619 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-07 08:35:49,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:49,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:49,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:49,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:49,689 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:49,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:49,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:35:49,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:49,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:49,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:49,703 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:35:49,704 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:35:49,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:49,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-07 08:35:49,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:49,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:49,763 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-07 08:35:49,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:49,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:49,766 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:49,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:49,782 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:49,782 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:35:49,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:49,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:49,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:49,782 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:35:49,783 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:35:49,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:49,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-07 08:35:49,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:49,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:49,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:49,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:49,846 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:49,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:49,859 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:49,859 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:35:49,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:49,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:49,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:49,871 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:35:49,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-07 08:35:49,872 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:35:49,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:49,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:49,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:49,934 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:49,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:49,935 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:49,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:49,949 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:49,949 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:35:49,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:49,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:49,950 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:35:49,959 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-07 08:35:49,959 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-07 08:35:49,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-07 08:35:49,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:50,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:50,031 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:50,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:50,032 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:50,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:50,045 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:50,045 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:35:50,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:50,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:50,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:50,045 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:35:50,046 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:35:50,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:50,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-07 08:35:50,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:50,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:50,102 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-07 08:35:50,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:50,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:50,105 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:50,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:50,121 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:50,122 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 08:35:50,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:50,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:50,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:50,122 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:35:50,123 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:35:50,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:50,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-07 08:35:50,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:50,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:50,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:50,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:50,181 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:50,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:50,195 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:50,195 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 08:35:50,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:50,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:50,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:50,196 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:35:50,197 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:35:50,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:50,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-07 08:35:50,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:50,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:50,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:50,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:50,254 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:50,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:50,268 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:50,269 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 08:35:50,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:50,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:50,269 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:35:50,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-07 08:35:50,300 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 08:35:50,301 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 08:35:50,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:50,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:50,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:50,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:50,383 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:50,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:50,407 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:50,407 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 08:35:50,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:50,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:50,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:50,407 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:35:50,409 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:35:50,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:50,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-07 08:35:50,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:50,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:50,461 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-07 08:35:50,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:50,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:50,466 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:50,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:50,484 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:50,484 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:35:50,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:50,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:50,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:50,485 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:35:50,487 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:35:50,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:50,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-07 08:35:50,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:50,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:50,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:50,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:50,549 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:50,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-07 08:35:50,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:50,561 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:50,562 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:35:50,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:50,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:50,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:50,562 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:35:50,564 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:35:50,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:50,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:50,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:50,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:50,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:50,627 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:50,629 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 [2021-11-07 08:35:50,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-07 08:35:50,637 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:50,637 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:35:50,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:50,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:50,638 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:35:50,655 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-07 08:35:50,655 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-07 08:35:50,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:50,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:50,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:50,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:50,748 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:50,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:50,762 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:50,762 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:35:50,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:50,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:50,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:50,763 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:35:50,765 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:35:50,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:50,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-07 08:35:50,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:50,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:50,821 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-07 08:35:50,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:50,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:50,823 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:50,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:50,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-07 08:35:50,835 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:50,835 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:35:50,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:50,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:50,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:50,835 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:35:50,836 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:35:50,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:50,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:50,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:50,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:50,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:50,892 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:50,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:50,915 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:50,915 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:35:50,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:50,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:50,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:50,916 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:35:50,917 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:35:50,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:50,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-07 08:35:50,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:50,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:50,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:50,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:50,973 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:50,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:50,988 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:50,988 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:35:50,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:50,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:50,989 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:35:50,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-07 08:35:51,003 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 08:35:51,004 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 08:35:51,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:51,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:51,068 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:51,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:51,069 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:51,074 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 [2021-11-07 08:35:51,085 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:51,085 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:35:51,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:51,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:51,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:51,086 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:35:51,087 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:35:51,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:51,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-07 08:35:51,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:51,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:51,130 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-07 08:35:51,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:51,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:51,132 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:51,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:51,144 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:51,144 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:35:51,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:51,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:51,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:51,145 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 08:35:51,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:35:51,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:51,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-07 08:35:51,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:51,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:51,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:51,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:51,190 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:51,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:51,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-07 08:35:51,210 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:51,210 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:35:51,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:51,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:51,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:51,210 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 08:35:51,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:35:51,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:51,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:51,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:51,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:51,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:51,272 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:51,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:51,291 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:51,291 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:35:51,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:51,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:51,291 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 08:35:51,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-07 08:35:51,314 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-07 08:35:51,315 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-07 08:35:51,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:51,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-07 08:35:51,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:51,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:51,410 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:35:51,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:35:51,426 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:35:51,427 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:35:51,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:35:51,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:35:51,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:35:51,427 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 08:35:51,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:35:51,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:35:51,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-07 08:35:51,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:35:51,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-07 08:35:51,489 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-07 08:35:51,490 INFO L791 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~ret0, main_#t~ret1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~u~0, main_~v~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~u~0;havoc main_~v~0;call main_#t~ret0 := __VERIFIER_nondet_unsigned_int();main_~a~0 := (if main_#t~ret0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~ret0 % 4294967296 % 4294967296 else main_#t~ret0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~ret0;call main_#t~ret1 := __VERIFIER_nondet_unsigned_int();main_~b~0 := (if main_#t~ret1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~ret1 % 4294967296 % 4294967296 else main_#t~ret1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~ret1; 87#L30 assume !(((main_~a~0 < 1 || main_~b~0 < 1) || main_~a~0 > 65535) || main_~b~0 > 65535);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~u~0 := main_~b~0;main_~v~0 := main_~a~0; 88#L45-2 assume !false; 94#L42 assume !!(main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 == 2 * main_~a~0 * main_~b~0); 95#L45 assume !(main_~x~0 > main_~y~0);main_~y~0 := main_~y~0 - main_~x~0;main_~u~0 := main_~u~0 + main_~v~0; 90#L45-2 assume !false; 91#L42 assume !!(main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 == 2 * main_~a~0 * main_~b~0); 97#L45 assume main_~x~0 > main_~y~0;main_~x~0 := main_~x~0 - main_~y~0;main_~v~0 := main_~v~0 + main_~u~0; 90#L45-2 [2021-11-07 08:35:51,490 INFO L793 eck$LassoCheckResult]: Loop: 90#L45-2 assume !false; 91#L42 assume !!(main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 == 2 * main_~a~0 * main_~b~0); 97#L45 assume main_~x~0 > main_~y~0;main_~x~0 := main_~x~0 - main_~y~0;main_~v~0 := main_~v~0 + main_~u~0; 90#L45-2 [2021-11-07 08:35:51,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:35:51,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1414078180, now seen corresponding path program 2 times [2021-11-07 08:35:51,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:35:51,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376393302] [2021-11-07 08:35:51,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:35:51,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:35:51,501 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:35:51,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [246844452] [2021-11-07 08:35:51,501 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 08:35:51,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:35:51,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:51,503 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:35:51,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2021-11-07 08:35:51,554 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 08:35:51,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-07 08:35:51,554 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:35:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:35:51,567 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:35:51,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:35:51,568 INFO L85 PathProgramCache]: Analyzing trace with hash 44849, now seen corresponding path program 3 times [2021-11-07 08:35:51,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:35:51,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939495663] [2021-11-07 08:35:51,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:35:51,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:35:51,570 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:35:51,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [356605284] [2021-11-07 08:35:51,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 08:35:51,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:35:51,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:51,572 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:35:51,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2021-11-07 08:35:51,602 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-07 08:35:51,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-07 08:35:51,602 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:35:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:35:51,608 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:35:51,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:35:51,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1763836270, now seen corresponding path program 3 times [2021-11-07 08:35:51,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:35:51,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096587788] [2021-11-07 08:35:51,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:35:51,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:35:51,619 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:35:51,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [758916903] [2021-11-07 08:35:51,619 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 08:35:51,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:35:51,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:35:51,631 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:35:51,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2021-11-07 08:35:51,673 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 08:35:51,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-07 08:35:51,674 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:35:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:35:51,687 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:35:59,362 WARN L207 SmtUtils]: Spent 7.63 s on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2021-11-07 08:35:59,529 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:35:59,529 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:35:59,529 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:35:59,529 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:35:59,529 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 08:35:59,529 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:35:59,530 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:35:59,530 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:35:59,530 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm2-both-nt.c_Iteration2_Lasso [2021-11-07 08:35:59,530 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:35:59,530 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:35:59,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:35:59,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:35:59,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:35:59,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:36:00,470 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:36:00,471 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 08:36:00,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:00,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:00,473 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:00,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-07 08:36:00,475 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:36:00,475 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:36:00,485 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:36:00,485 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0=0} Honda state: {ULTIMATE.start_main_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:36:00,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:00,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:00,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:00,508 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:00,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-07 08:36:00,509 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:36:00,509 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:36:00,518 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:36:00,518 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret1=0} Honda state: {ULTIMATE.start_main_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-07 08:36:00,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:00,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:00,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:00,542 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:00,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-07 08:36:00,543 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:36:00,543 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:36:00,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:00,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:00,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:00,585 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:00,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-07 08:36:00,586 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 08:36:00,587 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:36:00,605 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 08:36:00,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-07 08:36:00,628 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:36:00,628 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:36:00,628 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:36:00,628 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:36:00,629 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 08:36:00,629 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:00,629 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:36:00,629 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:36:00,629 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm2-both-nt.c_Iteration2_Lasso [2021-11-07 08:36:00,629 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:36:00,629 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:36:00,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:36:00,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:36:00,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:36:00,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:36:01,121 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:36:01,121 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 08:36:01,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:01,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:01,136 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:01,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-07 08:36:01,142 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 [2021-11-07 08:36:01,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:36:01,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:01,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:01,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:01,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:36:01,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:36:01,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:01,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:01,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:01,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:01,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:01,193 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:01,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-07 08:36:01,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:01,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:36:01,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:01,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:01,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:36:01,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:36:01,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:36:01,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:01,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-11-07 08:36:01,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:01,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:01,241 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:01,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-07 08:36:01,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:01,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:36:01,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:01,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:01,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:01,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:36:01,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:36:01,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:01,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:01,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-11-07 08:36:01,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:01,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:01,301 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:01,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-07 08:36:01,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:01,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:36:01,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:01,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:01,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:01,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:36:01,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:36:01,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:01,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:01,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:01,348 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-07 08:36:01,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:01,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:01,350 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:01,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-07 08:36:01,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:01,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:36:01,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:01,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:01,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:01,362 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:36:01,363 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:36:01,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:01,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:01,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:01,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:01,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:01,417 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:01,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:01,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:36:01,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:01,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:01,441 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:36:01,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-07 08:36:01,453 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-07 08:36:01,453 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-07 08:36:01,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:01,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:01,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:01,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:01,522 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:01,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:01,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:36:01,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:01,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:01,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:01,536 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:36:01,537 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:36:01,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:01,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-07 08:36:01,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:01,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:01,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:01,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:01,595 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:01,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:01,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-07 08:36:01,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:36:01,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:01,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:01,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:01,608 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:36:01,611 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:36:01,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:01,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:01,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:01,652 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-07 08:36:01,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:01,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:01,653 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:01,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-07 08:36:01,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:01,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:36:01,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:01,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:01,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:01,664 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:36:01,664 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:36:01,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:01,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:01,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-11-07 08:36:01,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:01,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:01,691 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:01,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-07 08:36:01,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:01,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:36:01,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:01,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:01,703 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:36:01,715 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 08:36:01,715 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 08:36:01,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:01,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-07 08:36:01,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:01,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:01,787 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:01,789 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 [2021-11-07 08:36:01,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-07 08:36:01,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:36:01,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:01,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:01,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:01,801 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:36:01,801 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:36:01,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:01,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:01,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-11-07 08:36:01,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:01,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:01,862 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:01,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-07 08:36:01,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:01,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:36:01,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:01,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:01,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:01,872 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:36:01,873 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:36:01,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:01,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:01,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-11-07 08:36:01,898 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-07 08:36:01,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:01,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:01,899 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:01,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-07 08:36:01,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:01,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:36:01,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:01,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:01,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:01,909 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:36:01,910 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:36:01,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:01,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:01,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:01,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:01,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:01,937 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:01,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-07 08:36:01,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:01,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:36:01,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:01,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:01,949 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:36:01,960 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-07 08:36:01,961 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-07 08:36:01,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:02,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-11-07 08:36:02,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:02,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:02,006 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:02,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-07 08:36:02,008 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 [2021-11-07 08:36:02,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:36:02,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:02,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:02,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:02,017 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:36:02,018 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:36:02,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:02,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:02,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-11-07 08:36:02,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:02,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:02,043 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:02,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:02,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-07 08:36:02,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:36:02,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:02,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:02,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:02,068 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:36:02,069 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:36:02,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:02,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:02,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-11-07 08:36:02,094 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-07 08:36:02,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:02,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:02,096 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:02,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:02,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-07 08:36:02,110 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:02,110 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:36:02,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:02,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:02,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:02,110 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:36:02,111 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:36:02,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:02,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:02,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:02,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:02,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:02,137 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:02,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-07 08:36:02,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:02,148 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:02,148 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:36:02,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:02,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:02,149 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:36:02,157 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-07 08:36:02,157 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-07 08:36:02,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:02,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-11-07 08:36:02,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:02,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:02,204 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:02,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-07 08:36:02,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:02,215 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:02,215 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:36:02,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:02,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:02,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:02,215 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:36:02,216 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:36:02,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:02,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:02,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:02,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:02,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:02,242 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:02,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-07 08:36:02,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:02,253 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:02,253 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:36:02,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:02,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:02,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:02,253 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:36:02,254 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:36:02,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:02,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:02,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-11-07 08:36:02,302 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-07 08:36:02,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:02,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:02,303 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:02,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-07 08:36:02,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:02,317 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:02,317 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 08:36:02,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:02,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:02,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:02,317 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:36:02,318 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:36:02,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:02,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:02,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-11-07 08:36:02,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:02,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:02,346 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:02,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-07 08:36:02,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:02,357 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:02,357 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 08:36:02,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:02,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:02,357 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:36:02,377 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 08:36:02,378 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 08:36:02,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:02,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-11-07 08:36:02,454 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:02,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:02,455 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:02,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:02,469 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:02,469 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 08:36:02,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:02,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:02,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:02,470 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:36:02,471 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:36:02,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:02,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-07 08:36:02,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:02,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:02,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:02,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:02,526 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:02,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:02,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-07 08:36:02,539 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:02,540 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 08:36:02,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:02,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:02,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:02,540 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:36:02,541 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:36:02,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:02,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:02,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:02,594 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-07 08:36:02,594 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:02,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:02,595 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:02,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:02,609 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:02,609 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:36:02,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:02,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:02,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:02,610 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:36:02,611 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:36:02,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:02,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-07 08:36:02,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:02,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:02,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:02,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:02,662 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:02,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:02,676 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:02,677 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:36:02,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:02,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:02,677 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:36:02,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-07 08:36:02,696 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-07 08:36:02,696 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-07 08:36:02,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:02,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:02,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:02,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:02,794 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:02,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:02,809 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:02,810 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:36:02,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:02,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:02,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:02,810 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:36:02,812 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:36:02,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:02,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-07 08:36:02,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:02,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:02,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:02,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:02,863 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:02,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:02,876 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:02,876 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:36:02,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:02,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:02,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:02,877 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:36:02,878 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:36:02,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:02,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-07 08:36:02,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:02,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:02,941 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-07 08:36:02,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:02,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:02,943 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:02,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:02,959 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:02,959 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:36:02,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:02,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:02,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:02,959 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:36:02,960 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:36:02,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:02,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-07 08:36:02,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:03,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:03,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:03,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:03,014 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:03,019 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 [2021-11-07 08:36:03,031 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:03,031 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:36:03,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:03,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:03,032 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:36:03,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-07 08:36:03,043 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 08:36:03,043 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 08:36:03,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:03,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:03,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:03,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:03,110 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:03,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:03,124 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:03,124 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:36:03,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:03,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:03,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:03,125 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:36:03,126 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:36:03,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:03,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-07 08:36:03,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:03,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:03,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:03,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:03,176 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:03,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:03,189 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:03,189 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:36:03,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:03,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:03,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:03,189 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:36:03,190 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:36:03,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:03,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-07 08:36:03,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:03,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:03,242 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-07 08:36:03,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:03,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:03,243 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:03,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:03,257 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:03,257 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:36:03,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:03,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:03,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:03,258 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 08:36:03,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:36:03,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:03,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-07 08:36:03,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:03,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:03,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:03,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:03,309 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:03,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:03,334 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:03,334 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:36:03,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:03,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:03,334 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 08:36:03,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-07 08:36:03,368 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-07 08:36:03,369 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-07 08:36:03,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:03,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:03,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:03,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:03,458 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:03,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:03,472 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:03,472 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:36:03,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:03,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:03,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:03,473 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 08:36:03,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:36:03,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:03,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-07 08:36:03,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:03,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-11-07 08:36:03,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:36:03,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:36:03,510 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:36:03,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-07 08:36:03,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:36:03,521 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:36:03,521 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:36:03,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:36:03,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:36:03,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:36:03,521 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 08:36:03,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:36:03,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:36:03,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:36:03,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:03,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.11 08:36:03 BoogieIcfgContainer [2021-11-07 08:36:03,554 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-07 08:36:03,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:36:03,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:36:03,555 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:36:03,555 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:35:44" (3/4) ... [2021-11-07 08:36:03,558 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 08:36:03,558 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:36:03,559 INFO L168 Benchmark]: Toolchain (without parser) took 19803.95 ms. Allocated memory was 77.6 MB in the beginning and 123.7 MB in the end (delta: 46.1 MB). Free memory was 52.2 MB in the beginning and 84.1 MB in the end (delta: -31.8 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-11-07 08:36:03,560 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 77.6 MB. Free memory is still 51.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:36:03,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.25 ms. Allocated memory is still 77.6 MB. Free memory was 52.1 MB in the beginning and 54.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 08:36:03,561 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.81 ms. Allocated memory is still 77.6 MB. Free memory was 54.4 MB in the beginning and 53.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:36:03,561 INFO L168 Benchmark]: Boogie Preprocessor took 20.74 ms. Allocated memory is still 77.6 MB. Free memory was 53.0 MB in the beginning and 52.1 MB in the end (delta: 888.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:36:03,561 INFO L168 Benchmark]: RCFGBuilder took 353.22 ms. Allocated memory is still 77.6 MB. Free memory was 52.0 MB in the beginning and 43.7 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:36:03,562 INFO L168 Benchmark]: BuchiAutomizer took 19092.15 ms. Allocated memory was 77.6 MB in the beginning and 123.7 MB in the end (delta: 46.1 MB). Free memory was 43.6 MB in the beginning and 84.1 MB in the end (delta: -40.5 MB). Peak memory consumption was 63.9 MB. Max. memory is 16.1 GB. [2021-11-07 08:36:03,562 INFO L168 Benchmark]: Witness Printer took 3.60 ms. Allocated memory is still 123.7 MB. Free memory is still 84.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:36:03,565 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 77.6 MB. Free memory is still 51.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 295.25 ms. Allocated memory is still 77.6 MB. Free memory was 52.1 MB in the beginning and 54.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.81 ms. Allocated memory is still 77.6 MB. Free memory was 54.4 MB in the beginning and 53.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.74 ms. Allocated memory is still 77.6 MB. Free memory was 53.0 MB in the beginning and 52.1 MB in the end (delta: 888.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 353.22 ms. Allocated memory is still 77.6 MB. Free memory was 52.0 MB in the beginning and 43.7 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 19092.15 ms. Allocated memory was 77.6 MB in the beginning and 123.7 MB in the end (delta: 46.1 MB). Free memory was 43.6 MB in the beginning and 84.1 MB in the end (delta: -40.5 MB). Peak memory consumption was 63.9 MB. Max. memory is 16.1 GB. * Witness Printer took 3.60 ms. Allocated memory is still 123.7 MB. Free memory is still 84.1 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function x + -1 * y and consists of 4 locations. The remainder module has 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 19.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 18.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 10 SDslu, 4 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital70 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq185 hnf93 smp100 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 107ms VariablesStem: 6 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~ret0, main_#t~ret1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~u~0, main_~v~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~u~0;havoc main_~v~0;call main_#t~ret0 := __VERIFIER_nondet_unsigned_int();main_~a~0 := (if main_#t~ret0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~ret0 % 4294967296 % 4294967296 else main_#t~ret0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~ret0;call main_#t~ret1 := __VERIFIER_nondet_unsigned_int();main_~b~0 := (if main_#t~ret1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~ret1 % 4294967296 % 4294967296 else main_#t~ret1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~ret1;" "assume !(((main_~a~0 < 1 || main_~b~0 < 1) || main_~a~0 > 65535) || main_~b~0 > 65535);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~u~0 := main_~b~0;main_~v~0 := main_~a~0;" "assume !false;" "assume !!(main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 == 2 * main_~a~0 * main_~b~0);" "assume !(main_~x~0 > main_~y~0);main_~y~0 := main_~y~0 - main_~x~0;main_~u~0 := main_~u~0 + main_~v~0;" "assume !false;" "assume !!(main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 == 2 * main_~a~0 * main_~b~0);" "assume main_~x~0 > main_~y~0;main_~x~0 := main_~x~0 - main_~y~0;main_~v~0 := main_~v~0 + main_~u~0;" Loop: "assume !false;" "assume !!(main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 == 2 * main_~a~0 * main_~b~0);" "assume main_~x~0 > main_~y~0;main_~x~0 := main_~x~0 - main_~y~0;main_~v~0 := main_~v~0 + main_~u~0;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-07 08:36:03,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:03,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2021-11-07 08:36:04,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2021-11-07 08:36:04,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-11-07 08:36:04,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:04,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 08:36:04,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-07 08:36:05,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-07 08:36:05,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23eb30f0-7da0-4621-90a3-245b575221ec/bin/uautomizer-AkOaLMaTGY/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN