./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/prodbin-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/prodbin-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF --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 3f068646d80c2022d44e2b134c176ee0988cb69e373cb2079071229e809bcefb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:16:56,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:16:56,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:16:56,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:16:56,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:16:56,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:16:56,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:16:56,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:16:56,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:16:56,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:16:56,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:16:56,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:16:56,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:16:56,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:16:56,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:16:56,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:16:56,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:16:56,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:16:56,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:16:56,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:16:56,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:16:56,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:16:56,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:16:56,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:16:56,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:16:56,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:16:56,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:16:56,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:16:56,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:16:56,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:16:56,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:16:56,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:16:56,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:16:56,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:16:56,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:16:56,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:16:56,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:16:56,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:16:56,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:16:56,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:16:56,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:16:56,384 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 07:16:56,409 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:16:56,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:16:56,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:16:56,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:16:56,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:16:56,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:16:56,412 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:16:56,412 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 07:16:56,412 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 07:16:56,412 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 07:16:56,413 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 07:16:56,413 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 07:16:56,413 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 07:16:56,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:16:56,414 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:16:56,414 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:16:56,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:16:56,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:16:56,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:16:56,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 07:16:56,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 07:16:56,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 07:16:56,416 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:16:56,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:16:56,416 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 07:16:56,416 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:16:56,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 07:16:56,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:16:56,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:16:56,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:16:56,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:16:56,418 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:16:56,419 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 07:16:56,420 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_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f068646d80c2022d44e2b134c176ee0988cb69e373cb2079071229e809bcefb [2021-11-20 07:16:56,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:16:56,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:16:56,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:16:56,759 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:16:56,760 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:16:56,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-nla/prodbin-both-nt.c [2021-11-20 07:16:56,849 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/data/672fbe271/bc11c7a2f66942d392c634f49129a864/FLAGcd34ae1bc [2021-11-20 07:16:57,288 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:16:57,289 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/sv-benchmarks/c/termination-nla/prodbin-both-nt.c [2021-11-20 07:16:57,295 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/data/672fbe271/bc11c7a2f66942d392c634f49129a864/FLAGcd34ae1bc [2021-11-20 07:16:57,309 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/data/672fbe271/bc11c7a2f66942d392c634f49129a864 [2021-11-20 07:16:57,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:16:57,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:16:57,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:16:57,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:16:57,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:16:57,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:16:57" (1/1) ... [2021-11-20 07:16:57,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e81acee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:57, skipping insertion in model container [2021-11-20 07:16:57,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:16:57" (1/1) ... [2021-11-20 07:16:57,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:16:57,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:16:57,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:16:57,514 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:16:57,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:16:57,539 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:16:57,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:57 WrapperNode [2021-11-20 07:16:57,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:16:57,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:16:57,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:16:57,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:16:57,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:57" (1/1) ... [2021-11-20 07:16:57,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:57" (1/1) ... [2021-11-20 07:16:57,589 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2021-11-20 07:16:57,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:16:57,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:16:57,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:16:57,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:16:57,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:57" (1/1) ... [2021-11-20 07:16:57,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:57" (1/1) ... [2021-11-20 07:16:57,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:57" (1/1) ... [2021-11-20 07:16:57,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:57" (1/1) ... [2021-11-20 07:16:57,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:57" (1/1) ... [2021-11-20 07:16:57,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:57" (1/1) ... [2021-11-20 07:16:57,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:57" (1/1) ... [2021-11-20 07:16:57,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:16:57,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:16:57,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:16:57,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:16:57,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:57" (1/1) ... [2021-11-20 07:16:57,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:16:57,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:16:57,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:16:57,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 07:16:57,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:16:57,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:16:57,790 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:16:57,792 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:16:57,933 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:16:57,941 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:16:57,942 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 07:16:57,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:16:57 BoogieIcfgContainer [2021-11-20 07:16:57,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:16:57,948 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 07:16:57,948 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 07:16:57,952 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 07:16:57,953 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:16:57,953 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:16:57" (1/3) ... [2021-11-20 07:16:57,955 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24869d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:16:57, skipping insertion in model container [2021-11-20 07:16:57,955 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:16:57,955 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:57" (2/3) ... [2021-11-20 07:16:57,956 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24869d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:16:57, skipping insertion in model container [2021-11-20 07:16:57,956 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:16:57,956 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:16:57" (3/3) ... [2021-11-20 07:16:57,958 INFO L388 chiAutomizerObserver]: Analyzing ICFG prodbin-both-nt.c [2021-11-20 07:16:58,018 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 07:16:58,018 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 07:16:58,018 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 07:16:58,018 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 07:16:58,018 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 07:16:58,018 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 07:16:58,019 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 07:16:58,019 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 07:16:58,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:16:58,054 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 07:16:58,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:16:58,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:16:58,060 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 07:16:58,061 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 07:16:58,061 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 07:16:58,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:16:58,063 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 07:16:58,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:16:58,063 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:16:58,063 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 07:16:58,064 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 07:16:58,072 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 6#L28true assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 12#L36-2true [2021-11-20 07:16:58,073 INFO L793 eck$LassoCheckResult]: Loop: 12#L36-2true assume !false; 7#L38true assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1); 4#L41true assume 1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~z~0#1 := main_~z~0#1 + main_~x~0#1;main_~y~0#1 := main_~y~0#1 - 1; 11#L41-2true main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 12#L36-2true [2021-11-20 07:16:58,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:16:58,079 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-20 07:16:58,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:16:58,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827075008] [2021-11-20 07:16:58,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:16:58,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:16:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:16:58,176 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:16:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:16:58,198 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:16:58,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:16:58,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1421130, now seen corresponding path program 1 times [2021-11-20 07:16:58,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:16:58,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500654078] [2021-11-20 07:16:58,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:16:58,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:16:58,210 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:16:58,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [733726901] [2021-11-20 07:16:58,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:16:58,211 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:16:58,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:16:58,215 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:16:58,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 07:16:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:16:58,258 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:16:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:16:58,270 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:16:58,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:16:58,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1807030893, now seen corresponding path program 1 times [2021-11-20 07:16:58,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:16:58,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247667005] [2021-11-20 07:16:58,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:16:58,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:16:58,279 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:16:58,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1047028535] [2021-11-20 07:16:58,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:16:58,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:16:58,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:16:58,311 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:16:58,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:16:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:16:58,416 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:16:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:16:58,429 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:16:58,681 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:16:58,682 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:16:58,682 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:16:58,682 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:16:58,683 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:16:58,683 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:16:58,683 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:16:58,684 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:16:58,684 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration1_Loop [2021-11-20 07:16:58,685 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:16:58,685 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:16:58,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:16:58,917 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:16:58,918 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:16:58,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:16:58,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:16:58,948 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:16:58,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 07:16:58,961 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:16:58,961 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:16:59,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:16:59,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:16:59,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:16:59,022 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:16:59,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 07:16:59,034 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:16:59,034 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:16:59,095 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 07:16:59,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:16:59,133 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:16:59,133 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:16:59,134 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:16:59,134 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:16:59,134 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:16:59,134 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:16:59,134 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:16:59,134 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:16:59,134 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration1_Loop [2021-11-20 07:16:59,135 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:16:59,135 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:16:59,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:16:59,296 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:16:59,301 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:16:59,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:16:59,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:16:59,303 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:16:59,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:16:59,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:16:59,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:16:59,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:16:59,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:16:59,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:16:59,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 07:16:59,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:16:59,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:16:59,386 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:16:59,394 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-20 07:16:59,394 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-20 07:16:59,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:16:59,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:16:59,407 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:16:59,415 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:16:59,416 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-20 07:16:59,416 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:16:59,417 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 4*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2021-11-20 07:16:59,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 07:16:59,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:16:59,457 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-20 07:16:59,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:16:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:16:59,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:16:59,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:16:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:16:59,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 07:16:59,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:16:59,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:16:59,670 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 07:16:59,672 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:16:59,714 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 42 transitions. Complement of second has 6 states. [2021-11-20 07:16:59,716 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 [2021-11-20 07:16:59,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:16:59,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-11-20 07:16:59,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 3 letters. Loop has 4 letters. [2021-11-20 07:16:59,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:16:59,724 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 07:16:59,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:16:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:16:59,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:16:59,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:16:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:16:59,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 07:16:59,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:16:59,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:16:59,846 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 07:16:59,846 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:16:59,896 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 44 transitions. Complement of second has 8 states. [2021-11-20 07:16:59,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 07:16:59,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:16:59,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2021-11-20 07:16:59,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 3 letters. Loop has 4 letters. [2021-11-20 07:16:59,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:16:59,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 7 letters. Loop has 4 letters. [2021-11-20 07:16:59,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:16:59,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 3 letters. Loop has 8 letters. [2021-11-20 07:16:59,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:16:59,902 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 44 transitions. [2021-11-20 07:16:59,911 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 07:16:59,915 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 15 states and 18 transitions. [2021-11-20 07:16:59,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-20 07:16:59,917 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-11-20 07:16:59,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2021-11-20 07:16:59,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 07:16:59,918 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-11-20 07:16:59,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2021-11-20 07:16:59,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-11-20 07:16:59,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 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) [2021-11-20 07:16:59,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2021-11-20 07:16:59,950 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-11-20 07:16:59,950 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-11-20 07:16:59,950 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 07:16:59,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2021-11-20 07:16:59,953 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 07:16:59,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:16:59,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:16:59,954 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-20 07:16:59,954 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 07:16:59,954 INFO L791 eck$LassoCheckResult]: Stem: 163#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 164#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 165#L28 assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 166#L36-2 assume !false; 172#L38 assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1); 159#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 160#L41-2 [2021-11-20 07:16:59,955 INFO L793 eck$LassoCheckResult]: Loop: 160#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 170#L36-2 assume !false; 167#L38 assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1); 168#L41 assume 1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~z~0#1 := main_~z~0#1 + main_~x~0#1;main_~y~0#1 := main_~y~0#1 - 1; 160#L41-2 [2021-11-20 07:16:59,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:16:59,956 INFO L85 PathProgramCache]: Analyzing trace with hash 889575313, now seen corresponding path program 1 times [2021-11-20 07:16:59,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:16:59,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251188204] [2021-11-20 07:16:59,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:16:59,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:16:59,968 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:16:59,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1813383115] [2021-11-20 07:16:59,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:16:59,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:16:59,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:16:59,975 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:16:59,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 07:17:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:17:00,010 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:17:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:17:00,018 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:17:00,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:00,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1773720, now seen corresponding path program 2 times [2021-11-20 07:17:00,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:17:00,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095149540] [2021-11-20 07:17:00,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:00,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:17:00,032 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:17:00,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [340049025] [2021-11-20 07:17:00,032 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:17:00,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:17:00,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:00,038 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:17:00,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-20 07:17:00,069 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 07:17:00,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:17:00,069 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:17:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:17:00,083 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:17:00,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:00,084 INFO L85 PathProgramCache]: Analyzing trace with hash 139108392, now seen corresponding path program 1 times [2021-11-20 07:17:00,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:17:00,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907545706] [2021-11-20 07:17:00,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:00,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:17:00,088 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:17:00,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1153821139] [2021-11-20 07:17:00,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:00,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:17:00,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:00,096 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:17:00,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-20 07:17:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:17:00,132 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:17:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:17:00,142 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:17:00,260 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:17:00,260 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:17:00,260 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:17:00,261 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:17:00,261 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:17:00,261 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:00,261 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:17:00,261 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:17:00,261 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration2_Loop [2021-11-20 07:17:00,261 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:17:00,262 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:17:00,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:00,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:00,442 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:17:00,442 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:17:00,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:00,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:00,447 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:00,452 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:17:00,452 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:17:00,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 07:17:00,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:00,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:00,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:00,531 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:00,538 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:17:00,538 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:17:00,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 07:17:00,578 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 07:17:00,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:00,616 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:17:00,616 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:17:00,616 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:17:00,616 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:17:00,616 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:17:00,616 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:00,616 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:17:00,617 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:17:00,617 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration2_Loop [2021-11-20 07:17:00,617 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:17:00,617 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:17:00,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:00,761 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:17:00,762 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:17:00,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:00,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:00,766 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:00,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:00,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:00,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:00,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:00,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:00,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:17:00,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:17:00,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:00,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 07:17:00,802 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:17:00,807 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-20 07:17:00,807 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-20 07:17:00,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:00,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:00,809 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:00,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 07:17:00,814 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:17:00,816 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-20 07:17:00,816 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:17:00,816 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 2*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2021-11-20 07:17:00,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:00,853 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-20 07:17:00,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:00,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:17:00,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:17:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:00,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:17:00,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:17:01,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:17:01,076 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 07:17:01,077 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:17:01,101 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 29 transitions. Complement of second has 5 states. [2021-11-20 07:17:01,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 07:17:01,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:17:01,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2021-11-20 07:17:01,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 6 letters. Loop has 4 letters. [2021-11-20 07:17:01,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:17:01,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 4 letters. [2021-11-20 07:17:01,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:17:01,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 6 letters. Loop has 8 letters. [2021-11-20 07:17:01,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:17:01,105 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2021-11-20 07:17:01,106 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 07:17:01,107 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 23 states and 28 transitions. [2021-11-20 07:17:01,107 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-11-20 07:17:01,107 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-11-20 07:17:01,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2021-11-20 07:17:01,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 07:17:01,108 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-11-20 07:17:01,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2021-11-20 07:17:01,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-11-20 07:17:01,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 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) [2021-11-20 07:17:01,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-11-20 07:17:01,111 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-11-20 07:17:01,111 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-11-20 07:17:01,111 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 07:17:01,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-11-20 07:17:01,112 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 07:17:01,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:17:01,113 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:17:01,113 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1] [2021-11-20 07:17:01,113 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 07:17:01,114 INFO L791 eck$LassoCheckResult]: Stem: 252#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 253#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 254#L28 assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 255#L36-2 assume !false; 265#L38 assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1); 264#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 263#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 261#L36-2 assume !false; 256#L38 assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1); 248#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 249#L41-2 [2021-11-20 07:17:01,114 INFO L793 eck$LassoCheckResult]: Loop: 249#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 258#L36-2 assume !false; 269#L38 assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1); 268#L41 assume 1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2);main_~z~0#1 := main_~z~0#1 + main_~x~0#1;main_~y~0#1 := main_~y~0#1 - 1; 249#L41-2 [2021-11-20 07:17:01,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:01,114 INFO L85 PathProgramCache]: Analyzing trace with hash 139108394, now seen corresponding path program 1 times [2021-11-20 07:17:01,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:17:01,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631914730] [2021-11-20 07:17:01,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:01,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:17:01,119 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:17:01,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [57754082] [2021-11-20 07:17:01,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:01,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:17:01,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:01,121 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:17:01,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-20 07:17:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:17:01,155 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:17:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:17:01,164 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:17:01,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:01,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1773720, now seen corresponding path program 3 times [2021-11-20 07:17:01,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:17:01,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023048938] [2021-11-20 07:17:01,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:01,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:17:01,172 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:17:01,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [285859681] [2021-11-20 07:17:01,173 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 07:17:01,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:17:01,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:01,176 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:17:01,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-20 07:17:01,206 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-20 07:17:01,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:17:01,206 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:17:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:17:01,213 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:17:01,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:01,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1537772479, now seen corresponding path program 2 times [2021-11-20 07:17:01,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:17:01,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511860278] [2021-11-20 07:17:01,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:01,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:17:01,217 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:17:01,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [341717201] [2021-11-20 07:17:01,218 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:17:01,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:17:01,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:01,225 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:17:01,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-20 07:17:01,261 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 07:17:01,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:17:01,262 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:17:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:17:01,275 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:17:01,362 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:17:01,362 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:17:01,362 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:17:01,362 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:17:01,362 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:17:01,378 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:01,378 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:17:01,378 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:17:01,378 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration3_Loop [2021-11-20 07:17:01,378 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:17:01,378 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:17:01,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:01,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:01,526 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:17:01,526 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:17:01,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:01,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:01,535 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:01,539 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:17:01,540 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:17:01,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 07:17:01,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:01,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:01,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:01,603 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:01,610 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:17:01,611 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:17:01,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 07:17:01,646 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 07:17:01,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:01,687 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:17:01,687 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:17:01,687 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:17:01,687 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:17:01,687 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:17:01,687 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:01,687 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:17:01,687 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:17:01,688 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration3_Loop [2021-11-20 07:17:01,688 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:17:01,688 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:17:01,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:01,825 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:17:01,825 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:17:01,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:01,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:01,826 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:01,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:01,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:01,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:01,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:01,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:01,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:17:01,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 07:17:01,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:17:01,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:01,876 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:17:01,883 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-20 07:17:01,883 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-20 07:17:01,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:01,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:01,885 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:01,890 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:17:01,890 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-20 07:17:01,891 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:17:01,891 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 2*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2021-11-20 07:17:01,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 07:17:01,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:01,924 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-20 07:17:01,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:01,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:17:01,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:17:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:01,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:17:01,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:17:02,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:17:02,176 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 07:17:02,176 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:17:02,210 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 37 transitions. Complement of second has 5 states. [2021-11-20 07:17:02,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 07:17:02,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:17:02,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2021-11-20 07:17:02,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 4 letters. [2021-11-20 07:17:02,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:17:02,213 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 07:17:02,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:02,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:17:02,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:17:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:02,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 07:17:02,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:17:02,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:17:02,378 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 07:17:02,378 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:17:02,398 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 37 transitions. Complement of second has 5 states. [2021-11-20 07:17:02,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 07:17:02,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:17:02,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2021-11-20 07:17:02,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 4 letters. [2021-11-20 07:17:02,401 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:17:02,401 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 07:17:02,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:02,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:17:02,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:17:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:02,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:17:02,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:17:02,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:17:02,609 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 07:17:02,609 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:17:02,633 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 42 transitions. Complement of second has 6 states. [2021-11-20 07:17:02,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-20 07:17:02,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:17:02,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2021-11-20 07:17:02,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 10 letters. Loop has 4 letters. [2021-11-20 07:17:02,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:17:02,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 14 letters. Loop has 4 letters. [2021-11-20 07:17:02,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:17:02,637 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 10 letters. Loop has 8 letters. [2021-11-20 07:17:02,637 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:17:02,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 42 transitions. [2021-11-20 07:17:02,639 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-20 07:17:02,640 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 26 states and 32 transitions. [2021-11-20 07:17:02,640 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-11-20 07:17:02,640 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-11-20 07:17:02,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 32 transitions. [2021-11-20 07:17:02,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 07:17:02,641 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-11-20 07:17:02,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 32 transitions. [2021-11-20 07:17:02,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 16. [2021-11-20 07:17:02,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 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) [2021-11-20 07:17:02,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2021-11-20 07:17:02,644 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-11-20 07:17:02,644 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-11-20 07:17:02,644 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 07:17:02,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2021-11-20 07:17:02,645 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-20 07:17:02,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:17:02,645 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:17:02,646 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-20 07:17:02,646 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 07:17:02,646 INFO L791 eck$LassoCheckResult]: Stem: 527#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 528#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 529#L28 assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 530#L36-2 assume !false; 531#L38 [2021-11-20 07:17:02,646 INFO L793 eck$LassoCheckResult]: Loop: 531#L38 assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1); 523#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 524#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 535#L36-2 assume !false; 531#L38 [2021-11-20 07:17:02,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:02,647 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2021-11-20 07:17:02,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:17:02,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500527790] [2021-11-20 07:17:02,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:02,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:17:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:17:02,651 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:17:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:17:02,655 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:17:02,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:02,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1575002, now seen corresponding path program 1 times [2021-11-20 07:17:02,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:17:02,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912856142] [2021-11-20 07:17:02,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:02,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:17:02,659 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:17:02,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2104482687] [2021-11-20 07:17:02,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:02,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:17:02,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:02,661 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:17:02,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-20 07:17:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:17:02,694 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:17:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:17:02,699 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:17:02,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:02,699 INFO L85 PathProgramCache]: Analyzing trace with hash 183384773, now seen corresponding path program 2 times [2021-11-20 07:17:02,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:17:02,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003112439] [2021-11-20 07:17:02,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:02,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:17:02,703 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:17:02,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [990794630] [2021-11-20 07:17:02,703 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:17:02,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:17:02,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:02,705 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:17:02,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-20 07:17:02,734 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 07:17:02,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:17:02,735 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:17:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:17:02,742 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:17:02,836 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:17:02,836 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:17:02,836 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:17:02,836 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:17:02,836 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:17:02,836 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:02,837 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:17:02,837 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:17:02,837 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration4_Lasso [2021-11-20 07:17:02,837 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:17:02,837 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:17:02,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:02,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:02,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:02,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:03,142 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:17:03,143 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:17:03,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:03,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:03,154 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:03,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 07:17:03,165 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:17:03,165 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:17:03,188 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:17:03,189 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 07:17:03,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:03,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:03,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:03,228 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:03,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 07:17:03,234 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:17:03,234 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:17:03,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:03,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:03,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:03,273 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:03,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 07:17:03,275 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:17:03,276 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:17:03,318 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 07:17:03,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:03,343 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:17:03,343 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:17:03,343 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:17:03,343 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:17:03,343 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:17:03,343 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:03,343 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:17:03,343 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:17:03,343 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration4_Lasso [2021-11-20 07:17:03,343 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:17:03,343 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:17:03,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:03,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:03,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:03,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:03,637 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:17:03,637 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:17:03,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:03,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:03,639 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:03,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 07:17:03,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:03,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:03,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:03,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:03,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:03,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:17:03,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:17:03,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:03,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:03,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:03,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:03,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:03,675 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:03,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 07:17:03,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:03,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:03,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:03,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:03,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:03,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:17:03,687 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:17:03,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:03,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:03,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:03,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:03,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:03,721 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:03,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 07:17:03,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:03,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:03,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:03,730 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:17:03,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:17:03,756 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-20 07:17:03,756 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 07:17:03,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:03,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:03,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:03,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:03,830 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:03,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 07:17:03,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:03,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:03,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:03,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:03,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:03,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:17:03,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:17:03,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:03,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:03,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:03,872 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 07:17:03,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:03,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:03,873 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:03,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 07:17:03,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:03,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:03,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:03,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:03,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:03,883 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:17:03,884 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:17:03,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:03,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:03,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:03,934 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:03,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:03,934 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:03,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 07:17:03,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:03,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:03,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:03,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:03,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:03,945 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:17:03,946 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:17:03,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:03,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:03,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-20 07:17:03,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:03,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:03,972 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:03,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:03,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 07:17:03,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:03,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:03,982 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:17:03,982 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:17:04,028 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-11-20 07:17:04,029 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 07:17:04,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:04,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:04,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:04,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:04,127 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:04,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:04,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:04,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:04,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:04,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:04,139 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:17:04,140 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:17:04,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:04,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 07:17:04,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:04,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:04,200 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 07:17:04,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:04,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:04,202 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:04,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:04,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:04,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:04,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:04,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:04,217 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:04,217 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:17:04,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:04,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 07:17:04,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:04,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:04,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:04,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:04,267 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:04,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:04,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:04,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:04,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:04,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:04,280 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:04,280 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:17:04,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:04,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 07:17:04,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:04,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:04,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:04,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:04,332 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:04,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:04,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:04,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:04,344 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:17:04,344 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:04,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 07:17:04,380 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-20 07:17:04,380 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-20 07:17:04,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:04,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:04,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:04,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:04,468 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:04,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 07:17:04,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:04,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:04,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:04,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:04,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:04,478 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:04,478 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:17:04,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:04,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:04,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-20 07:17:04,499 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 07:17:04,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:04,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:04,505 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:04,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:04,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:04,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:04,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:04,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:04,517 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:17:04,518 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:17:04,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:04,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 07:17:04,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:04,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:04,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:04,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:04,579 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:04,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:04,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:04,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:04,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:04,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:04,591 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:17:04,592 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:17:04,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:04,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 07:17:04,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:04,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:04,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:04,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:04,631 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:04,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 07:17:04,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:04,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:04,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:04,643 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:17:04,643 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:17:04,683 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2021-11-20 07:17:04,683 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2021-11-20 07:17:04,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:04,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:04,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:04,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:04,825 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:04,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 07:17:04,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:04,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:04,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:04,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:04,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:04,835 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:17:04,835 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:17:04,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:04,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:04,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:04,900 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 07:17:04,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:04,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:04,903 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:04,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:04,916 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:04,917 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:17:04,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:04,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:04,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:04,917 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:17:04,918 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:17:04,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:04,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 07:17:04,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:04,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:04,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:04,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:04,975 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:04,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:04,986 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:04,986 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:17:04,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:04,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:04,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:04,987 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:17:04,987 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:17:04,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:04,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 07:17:04,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:05,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:05,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:05,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:05,035 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:05,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:05,049 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:05,049 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:17:05,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:05,049 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:17:05,049 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:17:05,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 07:17:05,076 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-11-20 07:17:05,076 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 07:17:05,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:05,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:05,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:05,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:05,184 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:05,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 07:17:05,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:05,201 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:05,201 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:17:05,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:05,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:05,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:05,201 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:17:05,202 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:17:05,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:05,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:05,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:05,251 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 07:17:05,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:05,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:05,255 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:05,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:05,269 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:05,269 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:17:05,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:05,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:05,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:05,270 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:05,270 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:17:05,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:05,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 07:17:05,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:05,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:05,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:05,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:05,330 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:05,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:05,342 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:05,342 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:17:05,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:05,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:05,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:05,342 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:05,344 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:17:05,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:05,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 07:17:05,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:05,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:05,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:05,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:05,405 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:05,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:05,422 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:05,422 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:17:05,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:05,423 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:17:05,423 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:05,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 07:17:05,466 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-20 07:17:05,466 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-20 07:17:05,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:05,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:05,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:05,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:05,728 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:05,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:05,742 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:05,742 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:17:05,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:05,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:05,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:05,742 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:05,743 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:17:05,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:05,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 07:17:05,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:05,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:05,789 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 07:17:05,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:05,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:05,795 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:05,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:05,806 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:05,807 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:17:05,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:05,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:05,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:05,807 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:17:05,808 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:17:05,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:05,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 07:17:05,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:05,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-20 07:17:05,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:05,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:05,856 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:05,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:05,868 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:05,868 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:17:05,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:05,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:05,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:05,868 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:17:05,870 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:17:05,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:05,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 07:17:05,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:05,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:05,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:05,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:05,921 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:05,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:05,933 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:05,933 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:17:05,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:05,933 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:17:05,933 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:17:05,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-20 07:17:05,987 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2021-11-20 07:17:05,987 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2021-11-20 07:17:06,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:06,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-20 07:17:06,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:06,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:06,613 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:06,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-20 07:17:06,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:06,622 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:06,622 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:17:06,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:06,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:06,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:06,622 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:17:06,623 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:17:06,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:06,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:06,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:06,647 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 07:17:06,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:06,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:06,648 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:06,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-20 07:17:06,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:06,657 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:06,657 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:17:06,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:06,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:06,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:06,658 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:06,658 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:17:06,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:06,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:06,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-11-20 07:17:06,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:06,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:06,681 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:06,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-20 07:17:06,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:06,690 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:06,690 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:17:06,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:06,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:06,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:06,690 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:06,691 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:17:06,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:06,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:06,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-11-20 07:17:06,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:06,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:06,713 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:06,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-20 07:17:06,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:06,722 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:06,722 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:17:06,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:06,722 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:17:06,722 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:06,752 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-20 07:17:06,752 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-20 07:17:06,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:06,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:06,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:06,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:06,891 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:06,893 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:06,902 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:06,902 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:17:06,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:06,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:06,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:06,903 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:06,904 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:17:06,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:06,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-20 07:17:06,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:06,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-20 07:17:06,937 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 07:17:06,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:06,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:06,938 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:06,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-20 07:17:06,939 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 [2021-11-20 07:17:06,949 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:06,949 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:17:06,949 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:06,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:06,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:06,949 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:17:06,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:17:06,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:06,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:06,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-20 07:17:06,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:06,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:06,973 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:06,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-20 07:17:06,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:06,982 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:06,982 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:17:06,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:06,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:06,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:06,983 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:17:06,983 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:17:06,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:06,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:07,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:07,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:07,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:07,029 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:07,032 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 [2021-11-20 07:17:07,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-20 07:17:07,042 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:07,042 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:17:07,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:07,042 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:17:07,043 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:17:07,100 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-11-20 07:17:07,100 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-11-20 07:17:07,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:07,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-11-20 07:17:07,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:07,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:07,296 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:07,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-20 07:17:07,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:07,305 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:07,305 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:17:07,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:07,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:07,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:07,305 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:17:07,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:17:07,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:07,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:07,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-11-20 07:17:07,328 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-20 07:17:07,328 INFO L791 eck$LassoCheckResult]: Stem: 527#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 528#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 529#L28 assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0; 530#L36-2 assume !false; 531#L38 assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1); 523#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 524#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 535#L36-2 assume !false; 531#L38 [2021-11-20 07:17:07,328 INFO L793 eck$LassoCheckResult]: Loop: 531#L38 assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1); 523#L41 assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2)); 524#L41-2 main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2); 535#L36-2 assume !false; 531#L38 [2021-11-20 07:17:07,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:07,329 INFO L85 PathProgramCache]: Analyzing trace with hash 183384773, now seen corresponding path program 3 times [2021-11-20 07:17:07,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:17:07,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903712783] [2021-11-20 07:17:07,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:07,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:17:07,332 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:17:07,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [295830943] [2021-11-20 07:17:07,333 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 07:17:07,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:17:07,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:07,334 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:17:07,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2021-11-20 07:17:07,375 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 07:17:07,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:17:07,375 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:17:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:17:07,381 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:17:07,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:07,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1575002, now seen corresponding path program 2 times [2021-11-20 07:17:07,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:17:07,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547246866] [2021-11-20 07:17:07,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:07,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:17:07,384 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:17:07,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [994360295] [2021-11-20 07:17:07,385 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:17:07,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:17:07,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:07,386 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:17:07,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2021-11-20 07:17:07,407 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 07:17:07,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:17:07,408 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:17:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:17:07,412 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:17:07,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:07,413 INFO L85 PathProgramCache]: Analyzing trace with hash 539181342, now seen corresponding path program 4 times [2021-11-20 07:17:07,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:17:07,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14971529] [2021-11-20 07:17:07,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:07,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:17:07,416 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:17:07,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [784647906] [2021-11-20 07:17:07,417 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-20 07:17:07,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:17:07,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:07,422 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:17:07,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2021-11-20 07:17:07,447 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-20 07:17:07,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:17:07,447 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:17:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:17:07,456 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:17:07,597 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:17:07,597 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:17:07,597 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:17:07,597 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:17:07,597 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:17:07,597 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:07,598 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:17:07,598 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:17:07,598 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration4_Lasso [2021-11-20 07:17:07,598 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:17:07,598 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:17:07,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:07,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:07,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:07,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:07,905 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:17:07,905 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:17:07,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:07,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:07,910 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:07,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-20 07:17:07,911 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:17:07,911 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:17:07,920 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:17:07,920 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 07:17:07,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:07,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:07,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:07,942 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:07,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-20 07:17:07,943 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:17:07,943 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:17:07,951 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:17:07,951 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 07:17:07,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:07,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:07,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:07,974 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:07,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-20 07:17:07,977 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:17:07,977 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:17:07,986 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:17:07,986 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 07:17:08,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-11-20 07:17:08,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:08,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:08,007 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:08,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-20 07:17:08,009 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:17:08,009 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:17:08,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-20 07:17:08,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:08,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:08,039 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:08,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-20 07:17:08,040 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:17:08,040 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:17:08,061 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 07:17:08,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-11-20 07:17:08,083 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:17:08,084 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:17:08,084 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:17:08,084 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:17:08,084 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:17:08,084 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:08,084 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:17:08,084 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:17:08,084 INFO L133 ssoRankerPreferences]: Filename of dumped script: prodbin-both-nt.c_Iteration4_Lasso [2021-11-20 07:17:08,084 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:17:08,084 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:17:08,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:08,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:08,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:08,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:17:08,423 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:17:08,423 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:17:08,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:08,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:08,427 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:08,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:08,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:08,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:08,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:08,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:08,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:17:08,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:17:08,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:08,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-20 07:17:08,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:08,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:08,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:08,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:08,503 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:08,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:08,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:08,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:08,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:08,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:08,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:17:08,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:17:08,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:08,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-20 07:17:08,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:08,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:08,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:08,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:08,568 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:08,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:08,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:08,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:08,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:08,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:08,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:17:08,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:17:08,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:08,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-20 07:17:08,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:08,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-11-20 07:17:08,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:08,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:08,623 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:08,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-20 07:17:08,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:08,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:08,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:08,633 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:17:08,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:17:08,645 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-20 07:17:08,646 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 07:17:08,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:08,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:08,701 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 07:17:08,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:08,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:08,702 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:08,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-20 07:17:08,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:08,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:08,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:08,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:08,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:08,711 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:17:08,712 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:17:08,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:08,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:08,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-11-20 07:17:08,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:08,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:08,733 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:08,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-20 07:17:08,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:08,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:08,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:08,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:08,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:08,743 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:17:08,743 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:17:08,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:08,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:08,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-11-20 07:17:08,764 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:08,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:08,765 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:08,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-20 07:17:08,771 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 [2021-11-20 07:17:08,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:08,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:08,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:08,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:08,778 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:17:08,779 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:17:08,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:08,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:08,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:08,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:08,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:08,801 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:08,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-20 07:17:08,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:08,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:08,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:08,809 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:17:08,809 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:17:08,828 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-11-20 07:17:08,828 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 07:17:08,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:08,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:08,888 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 07:17:08,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:08,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:08,889 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:08,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-20 07:17:08,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:08,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:08,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:08,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:08,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:08,898 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:08,899 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:17:08,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:08,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:08,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-11-20 07:17:08,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:08,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:08,922 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:08,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-20 07:17:08,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:08,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:08,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:08,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:08,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:08,931 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:08,931 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:17:08,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:08,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:08,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-11-20 07:17:08,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:08,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:08,953 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:08,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-20 07:17:08,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:08,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:08,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:08,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:08,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:08,961 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:08,962 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:17:08,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:08,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:08,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-11-20 07:17:08,983 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:08,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:08,983 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:08,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-20 07:17:08,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:08,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:08,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:08,993 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:17:08,994 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:09,021 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-20 07:17:09,021 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-20 07:17:09,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:09,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:09,126 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 07:17:09,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:09,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:09,127 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:09,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-20 07:17:09,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:09,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:09,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:09,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:09,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:09,136 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:17:09,137 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:17:09,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:09,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:09,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-11-20 07:17:09,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:09,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:09,159 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:09,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-20 07:17:09,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:09,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:09,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:09,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:09,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:09,168 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:17:09,168 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:17:09,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:09,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:09,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-11-20 07:17:09,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:09,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:09,190 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:09,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-20 07:17:09,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:09,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:09,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:09,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:09,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:09,199 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:17:09,199 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:17:09,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:09,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:09,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-11-20 07:17:09,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:09,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:09,221 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:09,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-20 07:17:09,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:09,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:17:09,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:09,232 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:17:09,232 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:17:09,264 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2021-11-20 07:17:09,264 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2021-11-20 07:17:09,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:09,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-11-20 07:17:09,354 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 07:17:09,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:09,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:09,355 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:09,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-20 07:17:09,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:09,364 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:09,364 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:17:09,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:09,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:09,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:09,365 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:17:09,365 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:17:09,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:09,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:09,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-11-20 07:17:09,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:09,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:09,409 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:09,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-20 07:17:09,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:09,418 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:09,419 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:17:09,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:09,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:09,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:09,419 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:17:09,419 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:17:09,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:09,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:09,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-11-20 07:17:09,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:09,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:09,441 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:09,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-20 07:17:09,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:09,450 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:09,450 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:17:09,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:09,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:09,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:09,450 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:17:09,451 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:17:09,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:09,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:09,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:09,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:09,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:09,473 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:09,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-20 07:17:09,474 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 [2021-11-20 07:17:09,481 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:09,481 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:17:09,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:09,482 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:17:09,482 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:17:09,512 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-11-20 07:17:09,512 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 07:17:09,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:09,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-11-20 07:17:09,577 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 07:17:09,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:09,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:09,578 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:09,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-20 07:17:09,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:09,586 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:09,586 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:17:09,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:09,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:09,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:09,587 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:09,587 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:17:09,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:09,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:09,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-11-20 07:17:09,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:09,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:09,610 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:09,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-20 07:17:09,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:09,618 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:09,619 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:17:09,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:09,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:09,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:09,619 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:09,620 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:17:09,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:09,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:09,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-11-20 07:17:09,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:09,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:09,642 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:09,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-20 07:17:09,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:09,651 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:09,651 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:17:09,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:09,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:09,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:09,651 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:09,652 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:17:09,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:09,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:09,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:09,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:09,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:09,675 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:09,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-20 07:17:09,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:09,683 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:09,683 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:17:09,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:09,684 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:17:09,684 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:09,720 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-20 07:17:09,720 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-20 07:17:10,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:10,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-11-20 07:17:10,039 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 07:17:10,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:10,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:10,040 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:10,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-20 07:17:10,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:10,049 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:10,049 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:17:10,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:10,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:10,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:10,049 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:17:10,050 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:17:10,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:10,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:10,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-11-20 07:17:10,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:10,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:10,074 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:10,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-20 07:17:10,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:10,082 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:10,083 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:17:10,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:10,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:10,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:10,083 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:17:10,084 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:17:10,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:10,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:10,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-11-20 07:17:10,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:10,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:10,143 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:10,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-20 07:17:10,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:10,151 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:10,152 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:17:10,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:10,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:10,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:10,152 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:17:10,153 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:17:10,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:10,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:10,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:10,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:10,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:10,176 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:10,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-20 07:17:10,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:10,185 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:10,185 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:17:10,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:10,185 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:17:10,185 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:17:10,220 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2021-11-20 07:17:10,220 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2021-11-20 07:17:10,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:10,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:10,761 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 07:17:10,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:10,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:10,762 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:10,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-20 07:17:10,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:10,770 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:10,770 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:17:10,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:10,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:10,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:10,771 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:10,771 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:17:10,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:10,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:10,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-11-20 07:17:10,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:10,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:10,805 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:10,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-20 07:17:10,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:10,813 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:10,813 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:17:10,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:10,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:10,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:10,813 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:10,814 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:17:10,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:10,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:10,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:10,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:10,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:10,838 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:10,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-20 07:17:10,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:10,846 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:10,846 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:17:10,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:10,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:10,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:10,847 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:10,847 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:17:10,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:10,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:10,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-11-20 07:17:10,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:10,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:10,910 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:10,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:10,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-20 07:17:10,928 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:10,928 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:17:10,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:10,928 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:17:10,928 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:17:10,949 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2021-11-20 07:17:10,950 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-20 07:17:11,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:11,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-11-20 07:17:11,040 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 07:17:11,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:11,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:11,041 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:11,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-20 07:17:11,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:11,051 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:11,051 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:17:11,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:11,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:11,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:11,051 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:17:11,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:17:11,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:11,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:11,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-11-20 07:17:11,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:11,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:11,074 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:11,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-20 07:17:11,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:11,083 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:11,083 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:17:11,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:11,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:11,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:11,083 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:17:11,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:17:11,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:11,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:11,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:11,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:11,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:11,106 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:11,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-20 07:17:11,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:11,114 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:11,114 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:17:11,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:17:11,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:11,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:17:11,115 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:17:11,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:17:11,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:17:11,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:11,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-11-20 07:17:11,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:17:11,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:11,138 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:11,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-20 07:17:11,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:17:11,147 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:17:11,147 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:17:11,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:17:11,147 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 07:17:11,148 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:17:11,186 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-11-20 07:17:11,187 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-11-20 07:17:11,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:17:11,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-11-20 07:17:11,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 07:17:11 BoogieIcfgContainer [2021-11-20 07:17:11,359 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 07:17:11,360 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:17:11,360 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:17:11,360 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:17:11,360 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:16:57" (3/4) ... [2021-11-20 07:17:11,362 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:17:11,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:17:11,363 INFO L158 Benchmark]: Toolchain (without parser) took 14049.70ms. Allocated memory was 88.1MB in the beginning and 172.0MB in the end (delta: 83.9MB). Free memory was 52.4MB in the beginning and 51.2MB in the end (delta: 1.3MB). Peak memory consumption was 84.7MB. Max. memory is 16.1GB. [2021-11-20 07:17:11,363 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 61.2MB in the beginning and 61.1MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:17:11,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.29ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 52.3MB in the beginning and 92.8MB in the end (delta: -40.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:17:11,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.94ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 91.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:17:11,364 INFO L158 Benchmark]: Boogie Preprocessor took 39.23ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 90.7MB in the end (delta: 901.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:17:11,364 INFO L158 Benchmark]: RCFGBuilder took 312.41ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 82.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:17:11,364 INFO L158 Benchmark]: BuchiAutomizer took 13411.73ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 81.9MB in the beginning and 51.2MB in the end (delta: 30.7MB). Peak memory consumption was 99.1MB. Max. memory is 16.1GB. [2021-11-20 07:17:11,365 INFO L158 Benchmark]: Witness Printer took 2.66ms. Allocated memory is still 172.0MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:17:11,366 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 61.2MB in the beginning and 61.1MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.29ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 52.3MB in the beginning and 92.8MB in the end (delta: -40.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.94ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 91.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.23ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 90.7MB in the end (delta: 901.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.41ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 82.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 13411.73ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 81.9MB in the beginning and 51.2MB in the end (delta: 30.7MB). Peak memory consumption was 99.1MB. Max. memory is 16.1GB. * Witness Printer took 2.66ms. Allocated memory is still 172.0MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 2 deterministic, 1 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function 4 * y + 1 and consists of 5 locations. One deterministic module has affine ranking function 2 * y + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * y + 1 and consists of 3 locations. The remainder module has 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.3s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 11.8s. Construction of modules took 0.0s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 22 states and ocurred in iteration 2. Nontrivial modules had stage [1, 1, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 56 mSDtfsCounter, 72 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital48 mio100 ax100 hnf98 lsp104 ukn96 mio100 lsp100 div291 bol100 ite100 ukn100 eq143 hnf56 smp91 dnf158 smp84 tf101 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 196ms VariablesStem: 7 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 12 MotzkinApplications: 48 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~b~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !(main_~b~0#1 < 1);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~z~0#1 := 0;" "assume !false;" "assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1);" "assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));" "main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !false;" Loop: "assume !!(main_~z~0#1 + main_~x~0#1 * main_~y~0#1 == main_~a~0#1 * main_~b~0#1);" "assume !(1 == (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then main_~y~0#1 % 2 - 2 else main_~y~0#1 % 2));" "main_~x~0#1 := 2 * main_~x~0#1;main_~y~0#1 := (if main_~y~0#1 < 0 && 0 != main_~y~0#1 % 2 then 1 + main_~y~0#1 / 2 else main_~y~0#1 / 2);" "assume !false;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-20 07:17:11,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:11,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:11,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Ended with exit code 0 [2021-11-20 07:17:12,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2021-11-20 07:17:12,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-11-20 07:17:12,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-11-20 07:17:12,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-11-20 07:17:12,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-11-20 07:17:13,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-11-20 07:17:13,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-20 07:17:13,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:17:13,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-20 07:17:13,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-20 07:17:14,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/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_e44834c8-2315-408a-a80f-a3d81f41c102/bin/uautomizer-DQz5hQGWxF/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