./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/freire1-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_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/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_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/freire1-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/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_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/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 1adb3359053d55dc1f371353b0c6f7046d6999c323f92a2191878842c8d6ac98 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:42:16,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:42:16,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:42:16,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:42:16,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:42:16,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:42:16,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:42:16,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:42:16,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:42:16,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:42:16,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:42:16,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:42:16,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:42:16,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:42:16,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:42:16,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:42:16,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:42:16,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:42:16,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:42:16,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:42:16,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:42:16,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:42:16,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:42:16,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:42:16,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:42:16,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:42:16,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:42:16,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:42:16,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:42:16,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:42:16,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:42:16,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:42:16,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:42:16,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:42:16,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:42:16,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:42:16,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:42:16,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:42:16,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:42:16,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:42:16,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:42:16,525 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 07:42:16,570 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:42:16,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:42:16,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:42:16,571 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:42:16,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:42:16,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:42:16,573 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:42:16,573 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 07:42:16,573 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 07:42:16,573 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 07:42:16,573 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 07:42:16,574 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 07:42:16,574 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 07:42:16,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:42:16,574 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:42:16,575 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:42:16,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:42:16,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:42:16,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:42:16,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 07:42:16,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 07:42:16,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 07:42:16,576 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:42:16,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:42:16,577 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 07:42:16,577 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:42:16,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 07:42:16,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:42:16,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:42:16,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:42:16,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:42:16,578 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:42:16,579 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 07:42:16,580 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_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1adb3359053d55dc1f371353b0c6f7046d6999c323f92a2191878842c8d6ac98 [2021-11-20 07:42:16,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:42:16,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:42:16,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:42:16,862 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:42:16,862 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:42:16,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-nla/freire1-both-nt.c [2021-11-20 07:42:16,939 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/data/dd37d4377/ded025da3bd2476294cb2cad9c61e514/FLAGa7b98df9a [2021-11-20 07:42:17,419 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:42:17,420 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/sv-benchmarks/c/termination-nla/freire1-both-nt.c [2021-11-20 07:42:17,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/data/dd37d4377/ded025da3bd2476294cb2cad9c61e514/FLAGa7b98df9a [2021-11-20 07:42:17,822 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/data/dd37d4377/ded025da3bd2476294cb2cad9c61e514 [2021-11-20 07:42:17,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:42:17,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:42:17,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:42:17,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:42:17,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:42:17,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:42:17" (1/1) ... [2021-11-20 07:42:17,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c3b215c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:17, skipping insertion in model container [2021-11-20 07:42:17,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:42:17" (1/1) ... [2021-11-20 07:42:17,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:42:17,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:42:17,995 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:42:18,013 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:42:18,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:42:18,043 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:42:18,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:18 WrapperNode [2021-11-20 07:42:18,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:42:18,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:42:18,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:42:18,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:42:18,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:18" (1/1) ... [2021-11-20 07:42:18,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:18" (1/1) ... [2021-11-20 07:42:18,080 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2021-11-20 07:42:18,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:42:18,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:42:18,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:42:18,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:42:18,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:18" (1/1) ... [2021-11-20 07:42:18,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:18" (1/1) ... [2021-11-20 07:42:18,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:18" (1/1) ... [2021-11-20 07:42:18,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:18" (1/1) ... [2021-11-20 07:42:18,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:18" (1/1) ... [2021-11-20 07:42:18,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:18" (1/1) ... [2021-11-20 07:42:18,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:18" (1/1) ... [2021-11-20 07:42:18,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:42:18,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:42:18,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:42:18,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:42:18,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:18" (1/1) ... [2021-11-20 07:42:18,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:18,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:18,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:18,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 07:42:18,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:42:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:42:18,243 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:42:18,245 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:42:18,320 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:42:18,328 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:42:18,328 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 07:42:18,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:42:18 BoogieIcfgContainer [2021-11-20 07:42:18,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:42:18,331 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 07:42:18,332 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 07:42:18,337 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 07:42:18,338 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:42:18,338 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:42:17" (1/3) ... [2021-11-20 07:42:18,340 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35fc6dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:42:18, skipping insertion in model container [2021-11-20 07:42:18,340 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:42:18,340 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:42:18" (2/3) ... [2021-11-20 07:42:18,341 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35fc6dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:42:18, skipping insertion in model container [2021-11-20 07:42:18,341 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:42:18,341 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:42:18" (3/3) ... [2021-11-20 07:42:18,343 INFO L388 chiAutomizerObserver]: Analyzing ICFG freire1-both-nt.c [2021-11-20 07:42:18,395 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 07:42:18,395 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 07:42:18,395 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 07:42:18,395 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 07:42:18,396 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 07:42:18,396 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 07:42:18,396 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 07:42:18,396 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 07:42:18,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:42:18,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 07:42:18,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:42:18,432 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:42:18,438 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 07:42:18,439 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 07:42:18,439 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 07:42:18,439 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:42:18,441 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 07:42:18,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:42:18,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:42:18,442 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 07:42:18,442 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 07:42:18,450 INFO L791 eck$LassoCheckResult]: Stem: 6#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_~r~0#1, main_~x~0#1, main_~a~0#1;havoc main_~r~0#1;havoc main_~x~0#1;main_~a~0#1 := 2 * main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~x~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~r~0#1 := 0; 3#L32-2true [2021-11-20 07:42:18,450 INFO L793 eck$LassoCheckResult]: Loop: 3#L32-2true assume !!(0 == main_~r~0#1 * main_~r~0#1 - main_~a~0#1 - main_~r~0#1 + 2 * main_~x~0#1);main_~x~0#1 := main_~x~0#1 - main_~r~0#1;main_~r~0#1 := 1 + main_~r~0#1; 3#L32-2true [2021-11-20 07:42:18,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:42:18,458 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-20 07:42:18,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:42:18,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770840818] [2021-11-20 07:42:18,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:18,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:42:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:42:18,570 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:42:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:42:18,598 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:42:18,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:42:18,602 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2021-11-20 07:42:18,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:42:18,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354562936] [2021-11-20 07:42:18,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:18,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:42:18,610 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:42:18,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [443148337] [2021-11-20 07:42:18,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:18,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:42:18,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:18,613 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:42:18,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 07:42:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:42:18,671 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:42:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:42:18,680 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:42:18,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:42:18,683 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-11-20 07:42:18,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:42:18,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301406228] [2021-11-20 07:42:18,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:18,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:42:18,692 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:42:18,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [976454603] [2021-11-20 07:42:18,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:18,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:42:18,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:18,698 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:42:18,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:42:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:42:18,731 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:42:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:42:18,754 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:42:18,913 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:42:18,913 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:42:18,913 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:42:18,914 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:42:18,914 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:42:18,914 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:18,914 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:42:18,915 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:42:18,915 INFO L133 ssoRankerPreferences]: Filename of dumped script: freire1-both-nt.c_Iteration1_Loop [2021-11-20 07:42:18,915 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:42:18,915 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:42:18,938 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 07:42:19,057 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:42:19,058 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:42:19,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:19,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:19,088 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:19,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 07:42:19,095 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:42:19,096 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:42:19,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:19,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:19,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:19,165 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:19,171 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:42:19,171 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:42:19,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 07:42:19,215 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 07:42:19,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-11-20 07:42:19,250 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:42:19,250 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:42:19,251 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:42:19,251 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:42:19,251 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:42:19,251 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:19,251 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:42:19,251 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:42:19,251 INFO L133 ssoRankerPreferences]: Filename of dumped script: freire1-both-nt.c_Iteration1_Loop [2021-11-20 07:42:19,251 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:42:19,251 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:42:19,253 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 07:42:19,321 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:42:19,326 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:42:19,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:19,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:19,336 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:19,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:19,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 07:42:19,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:19,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:19,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:19,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:19,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:42:19,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:42:19,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:19,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:19,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:19,418 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 07:42:19,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:19,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:19,420 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:19,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:19,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:19,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:19,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:19,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:19,438 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:42:19,445 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:42:19,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:19,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 07:42:19,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:19,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:19,494 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 07:42:19,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:19,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:19,496 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:19,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 07:42:19,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:19,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:19,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:19,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:19,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:19,510 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:19,517 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:42:19,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:19,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:19,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:19,571 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 07:42:19,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:19,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:19,573 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:19,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:19,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:19,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:19,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:19,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:19,594 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:42:19,599 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:42:19,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:19,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 07:42:19,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:19,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-20 07:42:19,653 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 07:42:19,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:19,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:19,655 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:19,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 07:42:19,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:19,664 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:19,664 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:42:19,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:19,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:19,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:19,665 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:42:19,671 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:42:19,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:19,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:19,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:19,742 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 07:42:19,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:19,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:19,743 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:19,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 07:42:19,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:19,759 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:19,759 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:42:19,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:19,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:19,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:19,760 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:19,779 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:42:19,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:19,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:19,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:19,839 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 07:42:19,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:19,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:19,843 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:19,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:19,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 07:42:19,867 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:19,867 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:42:19,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:19,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:19,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:19,868 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:42:19,886 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:42:19,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:19,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:19,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:19,950 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 07:42:19,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:19,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:19,955 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:19,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:19,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 07:42:19,972 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:19,972 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:42:19,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:19,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:19,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:19,973 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:19,977 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:42:19,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:19,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:20,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:20,034 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 07:42:20,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:20,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:20,042 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:20,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:42:20,068 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:20,068 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:42:20,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:20,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:20,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:20,069 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:42:20,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:42:20,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:20,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 07:42:20,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:20,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:20,221 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:42:20,221 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:42:20,221 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:42:20,222 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:42:20,222 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:42:20,222 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:20,222 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:42:20,222 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:42:20,223 INFO L133 ssoRankerPreferences]: Filename of dumped script: freire1-both-nt.c_Iteration1_Lasso [2021-11-20 07:42:20,223 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:42:20,223 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:42:20,230 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 07:42:20,256 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 07:42:20,260 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 07:42:20,406 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:42:20,406 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:42:20,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:20,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:20,408 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:20,415 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:42:20,415 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:42:20,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 07:42:20,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:20,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:20,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:20,480 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:20,496 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:42:20,496 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:42:20,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 07:42:20,523 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 07:42:20,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:20,565 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:42:20,565 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:42:20,565 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:42:20,565 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:42:20,565 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:42:20,566 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:20,566 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:42:20,566 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:42:20,566 INFO L133 ssoRankerPreferences]: Filename of dumped script: freire1-both-nt.c_Iteration1_Lasso [2021-11-20 07:42:20,566 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:42:20,566 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:42:20,568 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 07:42:20,571 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 07:42:20,589 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 07:42:20,688 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:42:20,688 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:42:20,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:20,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:20,689 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:20,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:20,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:20,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:20,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:20,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:20,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:42:20,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:42:20,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:20,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 07:42:20,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:20,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:20,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:20,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:20,759 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:20,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 07:42:20,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:20,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:20,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:20,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:20,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:42:20,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:42:20,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:42:20,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:20,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:20,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:20,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:20,847 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:20,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:20,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:20,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:20,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:20,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:20,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:42:20,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:42:20,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:20,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 07:42:20,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:20,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:20,929 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 07:42:20,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:20,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:20,931 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:20,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:20,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 07:42:20,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:20,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:20,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:20,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:20,953 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:42:20,953 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:42:20,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:20,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:20,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-11-20 07:42:20,983 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:20,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:20,985 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:20,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 07:42:20,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:42:20,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:20,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:20,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:20,996 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:42:21,014 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 07:42:21,014 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 07:42:21,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:21,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:21,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:21,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:21,067 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:21,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:21,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 07:42:21,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:21,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:21,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:21,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:21,080 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:42:21,083 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:42:21,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:21,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:21,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:21,107 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 07:42:21,107 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:21,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:21,108 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:21,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 07:42:21,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:21,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:21,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:21,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:21,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:21,120 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:21,121 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:42:21,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:21,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:21,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:21,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:21,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:21,152 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:21,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 07:42:21,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:21,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:21,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:21,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:21,164 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:21,183 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 07:42:21,184 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 07:42:21,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:21,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:21,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:21,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:21,253 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:21,259 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 07:42:21,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:21,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:21,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:21,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:21,272 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:21,272 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:42:21,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:21,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 07:42:21,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:21,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:21,323 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 07:42:21,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:21,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:21,326 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:21,330 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 07:42:21,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:21,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:21,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:21,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:21,343 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:42:21,344 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:42:21,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:21,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 07:42:21,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:21,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:21,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:21,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:21,405 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:21,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:42:21,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:21,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:21,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:21,425 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:42:21,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 07:42:21,440 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 07:42:21,441 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 07:42:21,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:21,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:21,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:21,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:21,508 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:21,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:42:21,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:21,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:21,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:21,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:21,523 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:42:21,524 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:42:21,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:21,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 07:42:21,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:21,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:21,588 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 07:42:21,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:21,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:21,590 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:21,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:21,605 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:21,605 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:42:21,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:21,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:21,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:21,606 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:42:21,607 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:42:21,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:21,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 07:42:21,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:21,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:21,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:21,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:21,663 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:21,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:21,677 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:21,677 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:42:21,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:21,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:21,677 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:42:21,698 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 07:42:21,698 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 07:42:21,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 07:42:21,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:21,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:21,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:21,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:21,764 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:21,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:21,778 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:21,779 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:42:21,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:21,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:21,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:21,779 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:42:21,780 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:42:21,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:21,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 07:42:21,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:21,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:21,838 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 07:42:21,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:21,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:21,839 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:21,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:21,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 07:42:21,853 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:21,853 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:42:21,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:21,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:21,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:21,853 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:21,855 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:42:21,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:21,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:21,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:21,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:21,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:21,914 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:21,922 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 07:42:21,933 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:21,933 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:42:21,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:21,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:21,934 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:21,945 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 07:42:21,945 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 07:42:21,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 07:42:21,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:22,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:22,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:22,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:22,033 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:22,041 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 07:42:22,053 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:22,053 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:42:22,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:22,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:22,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:22,054 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:22,055 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:42:22,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:22,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 07:42:22,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:22,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-20 07:42:22,098 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 07:42:22,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:22,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:22,099 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:22,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 07:42:22,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:22,111 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:22,111 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:42:22,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:22,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:22,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:22,112 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:42:22,116 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:42:22,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:22,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:22,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:22,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:22,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:22,182 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:22,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:22,199 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:22,199 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:42:22,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:22,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:22,200 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:42:22,214 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 07:42:22,214 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 07:42:22,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 07:42:22,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:22,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:22,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:22,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:22,314 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:22,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 07:42:22,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:22,327 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:22,327 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:42:22,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:22,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:22,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:22,327 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:42:22,328 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:42:22,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:22,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:22,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:22,383 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 07:42:22,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:22,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:22,384 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:22,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:22,395 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:22,396 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:42:22,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:22,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:22,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:22,396 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:22,397 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:42:22,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:22,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 07:42:22,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:22,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:22,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:22,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:22,445 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:22,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:22,465 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:22,466 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:42:22,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:22,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:22,466 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:22,475 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 07:42:22,476 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 07:42:22,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 07:42:22,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:22,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:22,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:22,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:22,534 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:22,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:42:22,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 07:42:22,543 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:22,544 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:42:22,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:22,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:22,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:22,544 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:22,545 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:42:22,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:22,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:22,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-20 07:42:22,580 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 07:42:22,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:22,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:22,581 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:22,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 07:42:22,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:22,590 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:22,590 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:42:22,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:22,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:22,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:22,591 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:42:22,592 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:42:22,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:22,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:22,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-20 07:42:22,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:22,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:22,651 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:22,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 07:42:22,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:22,660 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:22,660 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:42:22,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:22,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:22,660 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:42:22,679 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 07:42:22,679 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 07:42:22,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:22,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:22,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:22,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:22,763 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:22,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:22,774 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:22,775 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:42:22,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:22,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:22,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:22,775 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:42:22,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:42:22,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:22,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 07:42:22,798 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:22,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:22,835 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-20 07:42:22,835 INFO L791 eck$LassoCheckResult]: Stem: 6#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_~r~0#1, main_~x~0#1, main_~a~0#1;havoc main_~r~0#1;havoc main_~x~0#1;main_~a~0#1 := 2 * main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~x~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~r~0#1 := 0; 3#L32-2true assume !!(0 == main_~r~0#1 * main_~r~0#1 - main_~a~0#1 - main_~r~0#1 + 2 * main_~x~0#1);main_~x~0#1 := main_~x~0#1 - main_~r~0#1;main_~r~0#1 := 1 + main_~r~0#1; 3#L32-2true [2021-11-20 07:42:22,835 INFO L793 eck$LassoCheckResult]: Loop: 3#L32-2true assume !!(0 == main_~r~0#1 * main_~r~0#1 - main_~a~0#1 - main_~r~0#1 + 2 * main_~x~0#1);main_~x~0#1 := main_~x~0#1 - main_~r~0#1;main_~r~0#1 := 1 + main_~r~0#1; 3#L32-2true [2021-11-20 07:42:22,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:42:22,836 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 2 times [2021-11-20 07:42:22,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:42:22,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979030010] [2021-11-20 07:42:22,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:22,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:42:22,846 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:42:22,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [358655604] [2021-11-20 07:42:22,846 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:42:22,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:42:22,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:22,855 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:42:22,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2021-11-20 07:42:22,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 07:42:22,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:42:22,895 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:42:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:42:22,906 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:42:22,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:42:22,907 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 2 times [2021-11-20 07:42:22,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:42:22,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65279980] [2021-11-20 07:42:22,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:22,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:42:22,911 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:42:22,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [538052458] [2021-11-20 07:42:22,921 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:42:22,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:42:22,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:22,926 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:42:22,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2021-11-20 07:42:22,960 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 07:42:22,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:42:22,961 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:42:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:42:22,966 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:42:22,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:42:22,966 INFO L85 PathProgramCache]: Analyzing trace with hash 925795, now seen corresponding path program 3 times [2021-11-20 07:42:22,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:42:22,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88331091] [2021-11-20 07:42:22,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:42:22,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:42:22,971 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:42:22,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2089220083] [2021-11-20 07:42:22,972 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 07:42:22,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:42:22,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:22,981 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:42:22,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2021-11-20 07:42:23,008 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 07:42:23,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:42:23,009 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:42:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:42:23,036 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:42:23,072 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:42:23,072 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:42:23,072 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:42:23,073 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:42:23,073 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:42:23,073 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:23,073 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:42:23,073 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:42:23,073 INFO L133 ssoRankerPreferences]: Filename of dumped script: freire1-both-nt.c_Iteration1_Loop [2021-11-20 07:42:23,073 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:42:23,073 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:42:23,075 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 07:42:23,119 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:42:23,119 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:42:23,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:23,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:23,121 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:23,148 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:42:23,148 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:42:23,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 07:42:23,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-11-20 07:42:23,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:23,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:23,245 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:23,252 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:42:23,252 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:42:23,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 07:42:23,285 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 07:42:23,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-11-20 07:42:23,307 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:42:23,308 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:42:23,308 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:42:23,308 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:42:23,308 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:42:23,308 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:23,308 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:42:23,308 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:42:23,308 INFO L133 ssoRankerPreferences]: Filename of dumped script: freire1-both-nt.c_Iteration1_Loop [2021-11-20 07:42:23,308 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:42:23,308 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:42:23,309 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 07:42:23,353 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:42:23,353 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:42:23,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:23,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:23,355 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:23,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:23,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:23,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:23,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:23,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:23,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:42:23,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 07:42:23,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:42:23,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:23,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:23,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-11-20 07:42:23,420 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 07:42:23,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:23,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:23,421 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:23,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 07:42:23,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:42:23,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:23,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:23,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:23,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:23,433 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:42:23,437 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:42:23,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:23,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:23,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-11-20 07:42:23,477 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 07:42:23,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:23,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:23,478 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:23,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 07:42:23,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:23,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:23,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:23,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:23,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:23,487 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:23,491 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:42:23,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:23,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:23,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:23,537 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 07:42:23,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:23,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:23,539 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:23,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:23,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 07:42:23,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:23,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:23,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:23,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:23,551 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:42:23,554 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:42:23,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:23,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:23,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:23,603 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 07:42:23,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:23,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:23,604 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:23,611 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 07:42:23,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-20 07:42:23,621 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:23,621 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:42:23,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:23,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:23,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:23,621 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:42:23,623 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:42:23,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:23,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:23,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:23,660 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 07:42:23,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:23,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:23,661 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:23,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-20 07:42:23,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:42:23,676 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:23,676 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:42:23,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:23,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:23,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:23,676 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:23,681 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:42:23,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:23,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:23,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:23,728 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 07:42:23,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:23,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:23,729 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:23,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:42:23,745 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:23,745 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:42:23,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:23,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:23,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:23,746 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:42:23,750 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:42:23,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:23,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-20 07:42:23,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:23,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:23,811 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 07:42:23,811 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:23,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:23,812 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:23,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:23,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-20 07:42:23,822 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:23,822 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:42:23,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:23,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:23,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:23,823 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:23,825 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:42:23,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:23,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:23,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:23,876 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 07:42:23,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:23,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:23,879 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:23,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-20 07:42:23,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:23,891 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:23,891 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:42:23,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:23,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:23,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:23,892 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:42:23,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:42:23,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:23,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:23,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-20 07:42:24,032 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:42:24,033 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:42:24,033 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:42:24,033 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:42:24,033 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:42:24,033 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:24,033 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:42:24,033 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:42:24,033 INFO L133 ssoRankerPreferences]: Filename of dumped script: freire1-both-nt.c_Iteration1_Lasso [2021-11-20 07:42:24,033 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:42:24,033 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:42:24,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:42:24,037 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 07:42:24,051 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 07:42:24,189 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:42:24,189 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:42:24,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:24,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:24,211 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:24,223 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:42:24,223 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:42:24,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-20 07:42:24,246 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:42:24,246 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 07:42:24,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:24,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:24,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:24,266 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:24,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-20 07:42:24,268 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:42:24,268 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:42:24,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:24,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:24,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:24,299 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:24,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-20 07:42:24,301 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:42:24,301 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:42:24,311 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 07:42:24,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:24,331 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:42:24,331 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:42:24,331 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:42:24,331 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:42:24,331 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:42:24,331 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:24,331 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:42:24,331 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:42:24,331 INFO L133 ssoRankerPreferences]: Filename of dumped script: freire1-both-nt.c_Iteration1_Lasso [2021-11-20 07:42:24,332 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:42:24,332 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:42:24,333 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 07:42:24,337 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 07:42:24,359 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 07:42:24,464 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:42:24,464 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:42:24,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:24,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:24,471 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:24,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:24,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-20 07:42:24,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:24,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:24,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:24,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:24,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:42:24,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:42:24,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:24,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:24,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-11-20 07:42:24,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:24,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:24,516 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:24,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:24,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:24,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:24,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:24,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:42:24,531 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:42:24,531 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:42:24,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-20 07:42:24,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:24,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:24,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:24,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:24,584 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:24,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:42:24,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:24,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:24,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:24,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:24,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:42:24,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:42:24,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:24,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-20 07:42:24,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:24,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:24,640 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 07:42:24,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:24,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:24,641 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:24,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-20 07:42:24,643 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 07:42:24,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:24,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:24,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:24,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:24,651 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:42:24,651 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:42:24,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:24,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:24,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:24,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:24,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:24,705 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:24,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-20 07:42:24,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:24,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:24,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:24,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:24,714 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:42:24,720 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 07:42:24,720 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 07:42:24,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:24,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:24,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:24,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:24,752 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:24,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-20 07:42:24,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:24,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:24,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:24,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:24,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:24,760 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:42:24,761 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:42:24,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:24,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:24,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:24,782 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 07:42:24,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:24,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:24,783 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:24,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-20 07:42:24,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:24,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:24,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:24,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:24,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:24,804 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:24,804 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:42:24,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:24,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:24,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:24,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:24,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:24,856 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:24,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:24,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:24,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:24,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:24,873 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:24,880 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 07:42:24,880 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 07:42:24,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-20 07:42:24,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:24,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:24,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:24,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:24,947 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:24,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:24,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:24,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:24,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:24,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:24,959 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:24,959 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:42:24,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:24,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-20 07:42:24,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:25,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:25,006 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 07:42:25,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:25,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:25,007 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:25,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:25,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:25,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:25,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:25,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:25,021 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:42:25,021 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:42:25,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:25,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-20 07:42:25,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:25,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:25,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:25,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:25,068 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:25,075 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 07:42:25,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-20 07:42:25,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:25,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:25,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:25,083 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:42:25,096 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 07:42:25,097 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 07:42:25,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:25,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:25,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:25,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:25,161 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:25,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:25,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:42:25,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:25,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:25,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:25,181 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:42:25,181 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:42:25,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:25,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-20 07:42:25,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:25,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:25,227 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 07:42:25,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:25,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:25,228 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:25,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:25,239 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:25,239 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:42:25,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:25,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:25,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:25,240 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:42:25,241 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:42:25,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:25,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-20 07:42:25,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:25,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:25,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:25,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:25,296 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:25,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:42:25,307 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:25,307 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:42:25,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:25,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:25,307 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:42:25,313 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 07:42:25,314 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 07:42:25,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-20 07:42:25,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:25,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:25,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:25,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:25,371 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:25,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:25,382 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:25,382 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:42:25,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:25,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:25,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:25,382 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:42:25,383 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:42:25,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:25,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-20 07:42:25,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:25,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:25,431 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 07:42:25,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:25,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:25,432 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:25,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:42:25,445 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:25,445 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:42:25,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:25,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:25,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:25,446 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:25,447 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:42:25,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:25,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-20 07:42:25,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:25,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:25,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:25,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:25,502 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:25,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:25,517 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:25,517 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:42:25,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:25,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:25,517 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:25,526 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 07:42:25,526 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 07:42:25,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-20 07:42:25,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:25,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:25,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:25,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:25,609 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:25,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:25,626 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:25,626 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:42:25,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:25,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:25,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:25,626 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:25,627 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:42:25,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:25,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-20 07:42:25,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:25,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:25,681 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 07:42:25,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:25,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:25,682 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:25,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:25,697 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:25,698 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:42:25,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:25,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:25,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:25,698 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:42:25,700 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:42:25,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:25,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-20 07:42:25,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:25,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:25,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:25,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:25,727 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:25,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-20 07:42:25,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:25,739 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:25,739 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:42:25,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:25,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:25,740 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:42:25,750 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 07:42:25,751 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 07:42:25,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:25,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:25,831 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:25,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:25,832 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:25,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-20 07:42:25,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:25,858 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:25,858 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:42:25,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:25,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:25,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:25,859 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:42:25,860 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:42:25,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:25,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:25,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-11-20 07:42:25,884 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 07:42:25,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:25,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:25,885 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:25,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:25,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-20 07:42:25,895 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:25,895 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:42:25,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:25,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:25,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:25,895 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:25,896 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:42:25,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:25,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:25,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:25,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:25,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:25,927 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:25,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-20 07:42:25,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:25,936 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:25,936 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:42:25,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:25,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:25,936 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:25,950 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 07:42:25,951 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 07:42:25,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:26,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-11-20 07:42:26,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:26,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:26,013 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:26,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:42:26,030 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:26,031 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:42:26,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:26,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:26,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:26,031 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:42:26,032 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:42:26,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:26,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-20 07:42:26,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:26,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:26,079 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 07:42:26,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:26,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:26,080 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:26,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:26,091 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:26,092 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:42:26,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:26,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:26,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:26,092 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:42:26,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:42:26,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:26,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-20 07:42:26,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:26,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:26,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:26,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:26,152 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:26,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:26,166 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:26,166 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:42:26,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:26,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:26,166 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:42:26,180 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 07:42:26,180 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 07:42:26,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-20 07:42:26,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:26,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:26,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:42:26,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:42:26,263 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:42:26,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 07:42:26,274 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:42:26,274 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:42:26,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:42:26,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:42:26,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:42:26,275 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:42:26,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:42:26,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:42:26,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-20 07:42:26,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:42:26,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:26,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 07:42:26 BoogieIcfgContainer [2021-11-20 07:42:26,330 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 07:42:26,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:42:26,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:42:26,332 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:42:26,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:42:18" (3/4) ... [2021-11-20 07:42:26,336 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:42:26,336 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:42:26,337 INFO L158 Benchmark]: Toolchain (without parser) took 8511.02ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 75.3MB in the beginning and 64.4MB in the end (delta: 10.9MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2021-11-20 07:42:26,341 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory was 60.8MB in the beginning and 60.8MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:42:26,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.46ms. Allocated memory is still 107.0MB. Free memory was 75.1MB in the beginning and 84.1MB in the end (delta: -9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 07:42:26,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.81ms. Allocated memory is still 107.0MB. Free memory was 83.7MB in the beginning and 82.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:42:26,343 INFO L158 Benchmark]: Boogie Preprocessor took 23.72ms. Allocated memory is still 107.0MB. Free memory was 82.7MB in the beginning and 81.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:42:26,343 INFO L158 Benchmark]: RCFGBuilder took 224.26ms. Allocated memory is still 107.0MB. Free memory was 81.7MB in the beginning and 73.6MB in the end (delta: 8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:42:26,343 INFO L158 Benchmark]: BuchiAutomizer took 7998.42ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 73.6MB in the beginning and 64.4MB in the end (delta: 9.2MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2021-11-20 07:42:26,344 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 132.1MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:42:26,346 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory was 60.8MB in the beginning and 60.8MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.46ms. Allocated memory is still 107.0MB. Free memory was 75.1MB in the beginning and 84.1MB in the end (delta: -9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.81ms. Allocated memory is still 107.0MB. Free memory was 83.7MB in the beginning and 82.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.72ms. Allocated memory is still 107.0MB. Free memory was 82.7MB in the beginning and 81.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 224.26ms. Allocated memory is still 107.0MB. Free memory was 81.7MB in the beginning and 73.6MB in the end (delta: 8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 7998.42ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 73.6MB in the beginning and 64.4MB in the end (delta: 9.2MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 132.1MB. Free memory is still 64.4MB. 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 Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 7.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital32 mio100 ax100 hnf98 lsp100 ukn100 mio100 lsp100 div191 bol100 ite100 ukn100 eq176 hnf76 smp98 dnf100 smp100 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 75ms VariablesStem: 6 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "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_~r~0#1, main_~x~0#1, main_~a~0#1;havoc main_~r~0#1;havoc main_~x~0#1;main_~a~0#1 := 2 * main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~x~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~r~0#1 := 0;" "assume !!(0 == main_~r~0#1 * main_~r~0#1 - main_~a~0#1 - main_~r~0#1 + 2 * main_~x~0#1);main_~x~0#1 := main_~x~0#1 - main_~r~0#1;main_~r~0#1 := 1 + main_~r~0#1;" Loop: "assume !!(0 == main_~r~0#1 * main_~r~0#1 - main_~a~0#1 - main_~r~0#1 + 2 * main_~x~0#1);main_~x~0#1 := main_~x~0#1 - main_~r~0#1;main_~r~0#1 := 1 + main_~r~0#1;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-20 07:42:26,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:26,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:26,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2021-11-20 07:42:27,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-20 07:42:27,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:42:27,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/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_4b7f3c27-eb7a-456b-940a-0b6fbb5b0256/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