./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/lcm1-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/lcm1-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU --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 f97166581d7c89cb7c028865e4ba31beb356de109d407b734d3c678bd9fd1d9f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 23:00:42,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 23:00:42,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 23:00:43,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 23:00:43,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 23:00:43,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 23:00:43,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 23:00:43,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 23:00:43,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 23:00:43,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 23:00:43,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 23:00:43,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 23:00:43,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 23:00:43,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 23:00:43,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 23:00:43,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 23:00:43,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 23:00:43,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 23:00:43,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 23:00:43,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 23:00:43,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 23:00:43,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 23:00:43,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 23:00:43,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 23:00:43,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 23:00:43,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 23:00:43,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 23:00:43,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 23:00:43,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 23:00:43,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 23:00:43,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 23:00:43,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 23:00:43,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 23:00:43,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 23:00:43,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 23:00:43,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 23:00:43,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 23:00:43,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 23:00:43,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 23:00:43,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 23:00:43,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 23:00:43,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-02 23:00:43,206 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 23:00:43,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 23:00:43,208 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 23:00:43,209 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 23:00:43,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 23:00:43,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 23:00:43,211 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 23:00:43,211 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-02 23:00:43,211 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-02 23:00:43,211 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-02 23:00:43,213 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-02 23:00:43,213 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-02 23:00:43,213 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-02 23:00:43,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 23:00:43,214 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 23:00:43,214 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 23:00:43,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 23:00:43,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 23:00:43,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 23:00:43,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-02 23:00:43,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-02 23:00:43,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-02 23:00:43,216 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 23:00:43,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 23:00:43,216 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-02 23:00:43,216 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 23:00:43,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-02 23:00:43,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 23:00:43,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 23:00:43,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 23:00:43,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 23:00:43,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 23:00:43,221 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-02 23:00:43,221 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_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97166581d7c89cb7c028865e4ba31beb356de109d407b734d3c678bd9fd1d9f [2021-11-02 23:00:43,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 23:00:43,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 23:00:43,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 23:00:43,557 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 23:00:43,560 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 23:00:43,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/termination-nla/lcm1-both-t.c [2021-11-02 23:00:43,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/data/e2eb62f2f/106aabaa956640a8974ca229f91b6686/FLAGbeef3e251 [2021-11-02 23:00:44,155 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 23:00:44,156 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/sv-benchmarks/c/termination-nla/lcm1-both-t.c [2021-11-02 23:00:44,169 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/data/e2eb62f2f/106aabaa956640a8974ca229f91b6686/FLAGbeef3e251 [2021-11-02 23:00:44,527 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/data/e2eb62f2f/106aabaa956640a8974ca229f91b6686 [2021-11-02 23:00:44,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 23:00:44,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 23:00:44,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 23:00:44,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 23:00:44,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 23:00:44,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:00:44" (1/1) ... [2021-11-02 23:00:44,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d8c02cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:00:44, skipping insertion in model container [2021-11-02 23:00:44,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:00:44" (1/1) ... [2021-11-02 23:00:44,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 23:00:44,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 23:00:44,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 23:00:44,812 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 23:00:44,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 23:00:44,866 INFO L208 MainTranslator]: Completed translation [2021-11-02 23:00:44,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:00:44 WrapperNode [2021-11-02 23:00:44,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 23:00:44,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 23:00:44,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 23:00:44,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 23:00:44,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:00:44" (1/1) ... [2021-11-02 23:00:44,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:00:44" (1/1) ... [2021-11-02 23:00:44,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 23:00:44,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 23:00:44,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 23:00:44,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 23:00:44,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:00:44" (1/1) ... [2021-11-02 23:00:44,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:00:44" (1/1) ... [2021-11-02 23:00:44,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:00:44" (1/1) ... [2021-11-02 23:00:44,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:00:44" (1/1) ... [2021-11-02 23:00:44,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:00:44" (1/1) ... [2021-11-02 23:00:44,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:00:44" (1/1) ... [2021-11-02 23:00:44,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:00:44" (1/1) ... [2021-11-02 23:00:44,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 23:00:44,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 23:00:44,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 23:00:44,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 23:00:44,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:00:44" (1/1) ... [2021-11-02 23:00:44,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:00:44,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:00:45,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:00:45,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-02 23:00:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 23:00:45,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 23:00:45,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2021-11-02 23:00:45,345 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 23:00:45,360 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-02 23:00:45,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:00:45 BoogieIcfgContainer [2021-11-02 23:00:45,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 23:00:45,365 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-02 23:00:45,365 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-02 23:00:45,369 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-02 23:00:45,370 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 23:00:45,370 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 11:00:44" (1/3) ... [2021-11-02 23:00:45,372 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@271c2149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 11:00:45, skipping insertion in model container [2021-11-02 23:00:45,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 23:00:45,373 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:00:44" (2/3) ... [2021-11-02 23:00:45,373 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@271c2149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 11:00:45, skipping insertion in model container [2021-11-02 23:00:45,388 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 23:00:45,389 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:00:45" (3/3) ... [2021-11-02 23:00:45,390 INFO L389 chiAutomizerObserver]: Analyzing ICFG lcm1-both-t.c [2021-11-02 23:00:45,471 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-02 23:00:45,484 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-02 23:00:45,485 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-02 23:00:45,485 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-02 23:00:45,485 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-02 23:00:45,485 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-02 23:00:45,485 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-02 23:00:45,486 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-02 23:00:45,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 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) [2021-11-02 23:00:45,547 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-02 23:00:45,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 23:00:45,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 23:00:45,556 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 23:00:45,556 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-02 23:00:45,556 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-02 23:00:45,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 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) [2021-11-02 23:00:45,559 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-02 23:00:45,560 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 23:00:45,560 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 23:00:45,561 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 23:00:45,561 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-02 23:00:45,569 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_#t~ret1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~u~0, main_~v~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~u~0;havoc main_~v~0;call main_#t~ret0 := __VERIFIER_nondet_unsigned_int();main_~a~0 := main_#t~ret0;havoc main_#t~ret0;call main_#t~ret1 := __VERIFIER_nondet_unsigned_int();main_~b~0 := main_#t~ret1;havoc main_#t~ret1; 10#L33true assume !(((main_~a~0 % 4294967296 < 1 || main_~b~0 % 4294967296 < 1) || main_~a~0 % 4294967296 > 65535) || main_~b~0 % 4294967296 > 65535);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~u~0 := main_~b~0;main_~v~0 := 0; 8#L55-2true [2021-11-02 23:00:45,570 INFO L793 eck$LassoCheckResult]: Loop: 8#L55-2true assume !false; 6#L44true assume !!(main_~x~0 % 4294967296 != (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 11#L47-2true assume !true; 4#L55-1true assume !true; 8#L55-2true [2021-11-02 23:00:45,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:00:45,582 INFO L85 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2021-11-02 23:00:45,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:00:45,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005463156] [2021-11-02 23:00:45,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:00:45,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:00:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:00:45,730 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:00:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:00:45,781 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:00:45,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:00:45,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1390774, now seen corresponding path program 1 times [2021-11-02 23:00:45,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:00:45,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696045780] [2021-11-02 23:00:45,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:00:45,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:00:45,806 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 23:00:45,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [181502255] [2021-11-02 23:00:45,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:00:45,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 23:00:45,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:00:45,811 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 23:00:45,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-02 23:00:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:00:45,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-02 23:00:45,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 23:00:45,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:00:45,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:00:45,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696045780] [2021-11-02 23:00:45,911 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-02 23:00:45,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181502255] [2021-11-02 23:00:45,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181502255] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:00:45,912 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:00:45,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 23:00:45,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942916002] [2021-11-02 23:00:45,918 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 23:00:45,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:00:45,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 23:00:45,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 23:00:45,937 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2021-11-02 23:00:45,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:00:45,944 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2021-11-02 23:00:45,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 23:00:45,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2021-11-02 23:00:45,947 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-02 23:00:45,951 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 8 states and 10 transitions. [2021-11-02 23:00:45,952 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-11-02 23:00:45,952 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-11-02 23:00:45,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2021-11-02 23:00:45,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 23:00:45,954 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-11-02 23:00:45,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2021-11-02 23:00:45,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-11-02 23:00:45,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:00:45,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2021-11-02 23:00:45,981 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-11-02 23:00:45,981 INFO L587 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-11-02 23:00:45,981 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-02 23:00:45,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2021-11-02 23:00:45,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-02 23:00:45,983 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 23:00:45,983 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 23:00:45,983 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 23:00:45,984 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-02 23:00:45,984 INFO L791 eck$LassoCheckResult]: Stem: 43#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~ret0, main_#t~ret1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~u~0, main_~v~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~u~0;havoc main_~v~0;call main_#t~ret0 := __VERIFIER_nondet_unsigned_int();main_~a~0 := main_#t~ret0;havoc main_#t~ret0;call main_#t~ret1 := __VERIFIER_nondet_unsigned_int();main_~b~0 := main_#t~ret1;havoc main_#t~ret1; 44#L33 assume !(((main_~a~0 % 4294967296 < 1 || main_~b~0 % 4294967296 < 1) || main_~a~0 % 4294967296 > 65535) || main_~b~0 % 4294967296 > 65535);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~u~0 := main_~b~0;main_~v~0 := 0; 48#L55-2 [2021-11-02 23:00:45,984 INFO L793 eck$LassoCheckResult]: Loop: 48#L55-2 assume !false; 45#L44 assume !!(main_~x~0 % 4294967296 != (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 46#L47-2 assume !false; 47#L49 assume !(main_~x~0 % 4294967296 > (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 41#L55-1 assume !false; 42#L57 assume !(main_~x~0 % 4294967296 < (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 48#L55-2 [2021-11-02 23:00:45,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:00:45,985 INFO L85 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 2 times [2021-11-02 23:00:45,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:00:45,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857167017] [2021-11-02 23:00:45,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:00:45,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:00:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:00:45,997 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:00:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:00:46,006 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:00:46,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:00:46,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1336307500, now seen corresponding path program 1 times [2021-11-02 23:00:46,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:00:46,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323622645] [2021-11-02 23:00:46,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:00:46,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:00:46,012 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 23:00:46,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1059328976] [2021-11-02 23:00:46,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:00:46,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 23:00:46,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:00:46,016 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 23:00:46,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-02 23:00:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 23:00:46,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-02 23:00:46,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 23:00:46,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 23:00:46,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:00:46,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323622645] [2021-11-02 23:00:46,201 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-02 23:00:46,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059328976] [2021-11-02 23:00:46,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059328976] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:00:46,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:00:46,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 23:00:46,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093975551] [2021-11-02 23:00:46,203 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-02 23:00:46,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:00:46,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-02 23:00:46,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-02 23:00:46,204 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:00:46,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:00:46,310 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2021-11-02 23:00:46,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-02 23:00:46,311 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2021-11-02 23:00:46,312 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-11-02 23:00:46,313 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 15 transitions. [2021-11-02 23:00:46,314 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-11-02 23:00:46,314 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-11-02 23:00:46,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2021-11-02 23:00:46,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 23:00:46,314 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-11-02 23:00:46,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2021-11-02 23:00:46,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-11-02 23:00:46,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:00:46,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2021-11-02 23:00:46,317 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-11-02 23:00:46,317 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-11-02 23:00:46,318 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-02 23:00:46,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2021-11-02 23:00:46,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-11-02 23:00:46,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 23:00:46,320 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 23:00:46,320 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-02 23:00:46,320 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2021-11-02 23:00:46,321 INFO L791 eck$LassoCheckResult]: Stem: 85#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~ret0, main_#t~ret1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~u~0, main_~v~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~u~0;havoc main_~v~0;call main_#t~ret0 := __VERIFIER_nondet_unsigned_int();main_~a~0 := main_#t~ret0;havoc main_#t~ret0;call main_#t~ret1 := __VERIFIER_nondet_unsigned_int();main_~b~0 := main_#t~ret1;havoc main_#t~ret1; 86#L33 assume !(((main_~a~0 % 4294967296 < 1 || main_~b~0 % 4294967296 < 1) || main_~a~0 % 4294967296 > 65535) || main_~b~0 % 4294967296 > 65535);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~u~0 := main_~b~0;main_~v~0 := 0; 91#L55-2 [2021-11-02 23:00:46,321 INFO L793 eck$LassoCheckResult]: Loop: 91#L55-2 assume !false; 87#L44 assume !!(main_~x~0 % 4294967296 != (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 88#L47-2 assume !false; 89#L49 assume !(main_~x~0 % 4294967296 > (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 83#L55-1 assume !false; 84#L57 assume !!(main_~x~0 % 4294967296 < (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296);main_~y~0 := main_~y~0 - main_~x~0;main_~u~0 := main_~u~0 + main_~v~0; 92#L55-1 assume !false; 93#L57 assume !(main_~x~0 % 4294967296 < (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 91#L55-2 [2021-11-02 23:00:46,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:00:46,322 INFO L85 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 3 times [2021-11-02 23:00:46,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:00:46,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734721680] [2021-11-02 23:00:46,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:00:46,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:00:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:00:46,355 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:00:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:00:46,366 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:00:46,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:00:46,368 INFO L85 PathProgramCache]: Analyzing trace with hash -3710639, now seen corresponding path program 1 times [2021-11-02 23:00:46,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:00:46,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436755677] [2021-11-02 23:00:46,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:00:46,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:00:46,373 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 23:00:46,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1728912164] [2021-11-02 23:00:46,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:00:46,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 23:00:46,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:00:46,415 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 23:00:46,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-02 23:00:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:00:46,464 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:00:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:00:47,704 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:00:47,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:00:47,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1850454070, now seen corresponding path program 1 times [2021-11-02 23:00:47,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:00:47,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036810716] [2021-11-02 23:00:47,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:00:47,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:00:47,715 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 23:00:47,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [113279671] [2021-11-02 23:00:47,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:00:47,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 23:00:47,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:00:47,731 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 23:00:47,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-02 23:00:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:00:47,943 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:00:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:00:48,100 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:00:56,356 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 23:00:56,357 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 23:00:56,357 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 23:00:56,357 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 23:00:56,358 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 23:00:56,358 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:00:56,358 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 23:00:56,358 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 23:00:56,358 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-02 23:00:56,358 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 23:00:56,359 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 23:00:56,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:01:01,845 WARN L207 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 30 [2021-11-02 23:01:26,530 WARN L207 SmtUtils]: Spent 24.67 s on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2021-11-02 23:01:30,016 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 23:01:30,016 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 23:01:30,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:01:30,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:01:30,028 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:01:30,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-02 23:01:30,033 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 23:01:30,033 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 23:01:30,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-02 23:01:30,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:01:30,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:01:30,082 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:01:30,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-02 23:01:30,083 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 23:01:30,084 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 23:01:30,126 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-02 23:01:30,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-02 23:01:30,148 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 23:01:30,148 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 23:01:30,148 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 23:01:30,148 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 23:01:30,148 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 23:01:30,148 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:01:30,148 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 23:01:30,149 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 23:01:30,149 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-02 23:01:30,149 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 23:01:30,149 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 23:01:30,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:02:04,888 WARN L207 SmtUtils]: Spent 32.97 s on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2021-11-02 23:02:10,660 WARN L207 SmtUtils]: Spent 5.76 s on a formula simplification that was a NOOP. DAG size: 49 [2021-11-02 23:02:10,662 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 23:02:10,665 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 23:02:10,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:10,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:10,681 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:10,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-02 23:02:10,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:10,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:02:10,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:02:10,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:10,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:10,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:02:10,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:02:10,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:02:10,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:10,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-02 23:02:10,730 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-02 23:02:10,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:10,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:10,734 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:10,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-02 23:02:10,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:10,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:02:10,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:02:10,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:10,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:10,745 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:02:10,750 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 23:02:10,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:02:10,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:10,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:10,813 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-02 23:02:10,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:10,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:10,814 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:10,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:10,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:02:10,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:02:10,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:10,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:10,840 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:02:10,847 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:02:10,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:02:10,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-02 23:02:10,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:10,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:10,909 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-02 23:02:10,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:10,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:10,911 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:10,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:10,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-02 23:02:10,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:02:10,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:02:10,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:10,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:10,928 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:02:10,936 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 23:02:10,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:02:10,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:10,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:10,988 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-02 23:02:10,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:10,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:10,989 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:10,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-02 23:02:10,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:10,999 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:02:10,999 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:02:10,999 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:02:10,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:10,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:10,999 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:02:11,006 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 23:02:11,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:02:11,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:11,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:11,056 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-02 23:02:11,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:11,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:11,061 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:11,071 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 [2021-11-02 23:02:11,082 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:02:11,082 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 23:02:11,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:02:11,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:11,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:11,083 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:02:11,092 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:02:11,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:02:11,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-02 23:02:11,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:11,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:11,165 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-02 23:02:11,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:11,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:11,166 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:11,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:11,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-02 23:02:11,188 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:02:11,188 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:02:11,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:02:11,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:11,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:11,189 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:02:11,203 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 23:02:11,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:02:11,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:11,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:11,267 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-02 23:02:11,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:11,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:11,268 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:11,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:11,289 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:02:11,289 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:02:11,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:02:11,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:11,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:11,290 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:02:11,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-02 23:02:11,296 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:02:11,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:02:11,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:11,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:11,362 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-02 23:02:11,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:11,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:11,365 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:11,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:11,384 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:02:11,385 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:02:11,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:02:11,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:11,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:11,385 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 23:02:11,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:02:11,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:02:11,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-02 23:02:11,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:11,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:11,571 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 23:02:11,571 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 23:02:11,571 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 23:02:11,571 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 23:02:11,571 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 23:02:11,571 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:11,571 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 23:02:11,571 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 23:02:11,571 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Lasso [2021-11-02 23:02:11,572 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 23:02:11,572 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 23:02:11,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:02:13,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:02:13,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:02:13,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:02:20,735 WARN L207 SmtUtils]: Spent 6.92 s on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2021-11-02 23:02:25,167 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 23:02:25,167 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 23:02:25,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:25,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:25,173 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:25,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-02 23:02:25,182 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 23:02:25,182 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 23:02:25,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:25,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:25,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:25,266 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:25,273 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 23:02:25,273 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 23:02:25,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-02 23:02:25,308 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-02 23:02:25,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:25,341 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 23:02:25,342 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 23:02:25,342 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 23:02:25,342 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 23:02:25,342 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 23:02:25,342 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:25,342 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 23:02:25,342 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 23:02:25,342 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Lasso [2021-11-02 23:02:25,342 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 23:02:25,342 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 23:02:25,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:02:29,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:02:29,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:02:29,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:02:56,784 WARN L207 SmtUtils]: Spent 27.58 s on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2021-11-02 23:02:59,177 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 23:02:59,177 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 23:02:59,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:59,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:59,178 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:59,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-02 23:02:59,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:59,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:02:59,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:59,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:59,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:02:59,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:02:59,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:02:59,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:59,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:59,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:59,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:59,285 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:59,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:59,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-02 23:02:59,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:02:59,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:02:59,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:59,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:59,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:02:59,303 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:02:59,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:02:59,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:59,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:59,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:59,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:59,339 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:59,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-02 23:02:59,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:59,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:02:59,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:02:59,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:59,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:59,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:02:59,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:02:59,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:02:59,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:59,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:59,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:59,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:59,371 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:59,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-02 23:02:59,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:59,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:02:59,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:02:59,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:59,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:59,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:02:59,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:02:59,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:02:59,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:59,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-11-02 23:02:59,407 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-02 23:02:59,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:59,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:59,409 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:59,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-02 23:02:59,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:59,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:02:59,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:59,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:59,419 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:02:59,430 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-02 23:02:59,430 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-02 23:02:59,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:59,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:59,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:59,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:59,502 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:59,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:59,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:02:59,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:02:59,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:59,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:59,522 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:02:59,523 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 23:02:59,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:02:59,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-02 23:02:59,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:59,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:59,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:59,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:59,579 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:59,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:59,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:02:59,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:02:59,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:59,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:59,594 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:02:59,595 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 23:02:59,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:02:59,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-02 23:02:59,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:59,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:59,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:59,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:59,642 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:59,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-02 23:02:59,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:59,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:02:59,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:02:59,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:59,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:59,651 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:02:59,652 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 23:02:59,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:02:59,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:59,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:59,702 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-02 23:02:59,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:59,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:59,704 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:59,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-02 23:02:59,707 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 [2021-11-02 23:02:59,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:02:59,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:59,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:59,716 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:02:59,740 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-02 23:02:59,740 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-02 23:02:59,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:59,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:59,797 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:59,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:59,798 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:59,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-02 23:02:59,801 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:59,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:02:59,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:02:59,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:59,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:59,809 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:02:59,810 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:02:59,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:02:59,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:59,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:59,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:59,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:59,844 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:59,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-02 23:02:59,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:59,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:02:59,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:02:59,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:59,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:59,854 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:02:59,854 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:02:59,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:02:59,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:59,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:59,879 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:59,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:59,880 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:59,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-02 23:02:59,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:59,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:02:59,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:02:59,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:59,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:59,889 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:02:59,890 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:02:59,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:02:59,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:02:59,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-02 23:02:59,915 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-02 23:02:59,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:02:59,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:02:59,916 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:02:59,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-02 23:02:59,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:02:59,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:02:59,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:02:59,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:02:59,930 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:02:59,954 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-02 23:02:59,954 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-02 23:02:59,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:00,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:00,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:00,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:00,023 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:00,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:00,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:03:00,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:03:00,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:00,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:00,039 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:03:00,040 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 23:03:00,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:03:00,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-02 23:03:00,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:00,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:00,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:00,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:00,082 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:00,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-02 23:03:00,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:00,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:03:00,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:03:00,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:00,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:00,099 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:03:00,100 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 23:03:00,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:03:00,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:00,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:00,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:00,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:00,123 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:00,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-02 23:03:00,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:00,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:03:00,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:03:00,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:00,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:00,131 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:03:00,132 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 23:03:00,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:03:00,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:00,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:00,153 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-02 23:03:00,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:00,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:00,153 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:00,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-02 23:03:00,156 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 [2021-11-02 23:03:00,163 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:00,163 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:03:00,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:00,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:00,164 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:03:00,174 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-02 23:03:00,174 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-02 23:03:00,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:00,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:00,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:00,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:00,244 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:00,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:00,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-02 23:03:00,271 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:00,271 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:03:00,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:03:00,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:00,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:00,272 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:03:00,272 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 23:03:00,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:03:00,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:00,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:00,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:00,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:00,294 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:00,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:00,304 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:00,304 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:03:00,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:03:00,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:00,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:00,304 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:03:00,305 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 23:03:00,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:03:00,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-02 23:03:00,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:00,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:00,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:00,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:00,349 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:00,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-02 23:03:00,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:00,360 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:00,360 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:03:00,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:03:00,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:00,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:00,361 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:03:00,361 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 23:03:00,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:03:00,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:00,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:00,383 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-02 23:03:00,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:00,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:00,384 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:00,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-02 23:03:00,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:00,393 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:00,393 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 23:03:00,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:00,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:00,393 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:03:00,409 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-02 23:03:00,409 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-02 23:03:00,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:00,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:00,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:00,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:00,480 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:00,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-02 23:03:00,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:00,492 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:00,493 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 23:03:00,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:03:00,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:00,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:00,493 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:03:00,494 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:03:00,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:03:00,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:00,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:00,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:00,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:00,516 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:00,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:00,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-02 23:03:00,524 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:00,525 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 23:03:00,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:03:00,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:00,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:00,525 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:03:00,526 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:03:00,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:03:00,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:00,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:00,587 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:00,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:00,588 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:00,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-02 23:03:00,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:00,597 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:00,597 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 23:03:00,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:03:00,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:00,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:00,597 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:03:00,598 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:03:00,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:03:00,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:00,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-02 23:03:00,620 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-02 23:03:00,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:00,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:00,621 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:00,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-02 23:03:00,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:00,630 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:00,630 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:03:00,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:00,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:00,631 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:03:00,652 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-02 23:03:00,652 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-02 23:03:00,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:00,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:00,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:00,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:00,739 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:00,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:00,751 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:00,751 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:03:00,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:03:00,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:00,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:00,751 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:03:00,753 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 23:03:00,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:03:00,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-02 23:03:00,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:00,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:00,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:00,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:00,829 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:00,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:00,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-02 23:03:00,840 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:00,840 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:03:00,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:03:00,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:00,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:00,841 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:03:00,842 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 23:03:00,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:03:00,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:00,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:00,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:00,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:00,899 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:00,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-02 23:03:00,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:00,911 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:00,912 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:03:00,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:03:00,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:00,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:00,912 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:03:00,913 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 23:03:00,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:03:00,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:00,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:00,935 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-02 23:03:00,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:00,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:00,935 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:00,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-02 23:03:00,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:00,946 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:00,946 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:03:00,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:00,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:00,946 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:03:00,961 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-02 23:03:00,961 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-02 23:03:00,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:01,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:01,025 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:01,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:01,029 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:01,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:01,040 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:01,040 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:03:01,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:03:01,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:01,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:01,041 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:03:01,042 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:03:01,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:03:01,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-02 23:03:01,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:01,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:01,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:01,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:01,089 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:01,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:01,100 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:01,100 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:03:01,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:03:01,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:01,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:01,100 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:03:01,101 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:03:01,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:03:01,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-02 23:03:01,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:01,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:01,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:01,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:01,149 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:01,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:01,161 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:01,161 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:03:01,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:03:01,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:01,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:01,161 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:03:01,162 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:03:01,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:03:01,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-02 23:03:01,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:01,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:01,205 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-02 23:03:01,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:01,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:01,208 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:01,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:01,220 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:01,220 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:03:01,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:01,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:01,221 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 23:03:01,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-02 23:03:01,244 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-02 23:03:01,244 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-02 23:03:01,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:01,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:01,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:01,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:01,326 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:01,330 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 [2021-11-02 23:03:01,339 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:01,339 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:03:01,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:03:01,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:01,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:01,339 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 23:03:01,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:03:01,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:03:01,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-02 23:03:01,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:01,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-02 23:03:01,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:01,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:01,388 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:01,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:01,402 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:01,402 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:03:01,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:03:01,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:01,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:01,403 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 23:03:01,404 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:03:01,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:03:01,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-02 23:03:01,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:01,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-02 23:03:01,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:01,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:01,446 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:03:01,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-02 23:03:01,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:03:01,455 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:03:01,456 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:03:01,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:03:01,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:03:01,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:03:01,456 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 23:03:01,457 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:03:01,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:03:01,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:03:01,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-11-02 23:03:01,479 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-02 23:03:01,479 INFO L791 eck$LassoCheckResult]: Stem: 85#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~ret0, main_#t~ret1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~u~0, main_~v~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~u~0;havoc main_~v~0;call main_#t~ret0 := __VERIFIER_nondet_unsigned_int();main_~a~0 := main_#t~ret0;havoc main_#t~ret0;call main_#t~ret1 := __VERIFIER_nondet_unsigned_int();main_~b~0 := main_#t~ret1;havoc main_#t~ret1; 86#L33 assume !(((main_~a~0 % 4294967296 < 1 || main_~b~0 % 4294967296 < 1) || main_~a~0 % 4294967296 > 65535) || main_~b~0 % 4294967296 > 65535);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~u~0 := main_~b~0;main_~v~0 := 0; 91#L55-2 assume !false; 87#L44 assume !!(main_~x~0 % 4294967296 != (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 88#L47-2 assume !false; 89#L49 assume !(main_~x~0 % 4294967296 > (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 83#L55-1 assume !false; 84#L57 assume !!(main_~x~0 % 4294967296 < (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296);main_~y~0 := main_~y~0 - main_~x~0;main_~u~0 := main_~u~0 + main_~v~0; 92#L55-1 assume !false; 93#L57 assume !(main_~x~0 % 4294967296 < (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 91#L55-2 [2021-11-02 23:03:01,479 INFO L793 eck$LassoCheckResult]: Loop: 91#L55-2 assume !false; 87#L44 assume !!(main_~x~0 % 4294967296 != (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 88#L47-2 assume !false; 89#L49 assume !(main_~x~0 % 4294967296 > (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 83#L55-1 assume !false; 84#L57 assume !!(main_~x~0 % 4294967296 < (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296);main_~y~0 := main_~y~0 - main_~x~0;main_~u~0 := main_~u~0 + main_~v~0; 92#L55-1 assume !false; 93#L57 assume !(main_~x~0 % 4294967296 < (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 91#L55-2 [2021-11-02 23:03:01,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:03:01,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1850454070, now seen corresponding path program 2 times [2021-11-02 23:03:01,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:03:01,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206830588] [2021-11-02 23:03:01,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:03:01,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:03:01,484 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 23:03:01,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2080751165] [2021-11-02 23:03:01,484 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-02 23:03:01,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 23:03:01,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:01,485 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 23:03:01,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2021-11-02 23:03:01,535 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-02 23:03:01,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-02 23:03:01,535 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:03:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:03:01,563 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:03:01,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:03:01,563 INFO L85 PathProgramCache]: Analyzing trace with hash -3710639, now seen corresponding path program 2 times [2021-11-02 23:03:01,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:03:01,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139573236] [2021-11-02 23:03:01,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:03:01,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:03:01,566 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 23:03:01,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [298283157] [2021-11-02 23:03:01,567 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-02 23:03:01,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 23:03:01,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:01,605 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 23:03:01,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2021-11-02 23:03:01,735 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-02 23:03:01,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-02 23:03:01,735 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:03:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:03:01,763 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:03:01,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:03:01,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1316090746, now seen corresponding path program 3 times [2021-11-02 23:03:01,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:03:01,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926574690] [2021-11-02 23:03:01,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:03:01,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:03:01,770 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 23:03:01,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [414996908] [2021-11-02 23:03:01,771 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-02 23:03:01,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 23:03:01,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:03:01,772 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 23:03:01,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2021-11-02 23:03:01,816 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-02 23:03:01,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-02 23:03:01,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 23:03:01,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 23:03:01,928 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-02 23:03:01,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 23:03:01,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926574690] [2021-11-02 23:03:01,929 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-02 23:03:01,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414996908] [2021-11-02 23:03:01,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414996908] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 23:03:01,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 23:03:01,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-02 23:03:01,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390640477] [2021-11-02 23:03:16,326 WARN L207 SmtUtils]: Spent 14.39 s on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-11-02 23:03:34,424 WARN L207 SmtUtils]: Spent 14.16 s on a formula simplification that was a NOOP. DAG size: 30 [2021-11-02 23:03:34,426 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 23:03:34,426 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 23:03:34,426 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 23:03:34,426 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 23:03:34,426 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 23:03:34,426 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:03:34,426 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 23:03:34,426 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 23:03:34,426 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-02 23:03:34,426 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 23:03:34,426 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 23:03:34,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:03:59,026 WARN L207 SmtUtils]: Spent 21.69 s on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2021-11-02 23:04:02,393 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 23:04:02,393 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 23:04:02,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:04:02,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:04:02,396 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:04:02,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-02 23:04:02,397 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 23:04:02,397 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 23:04:02,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-02 23:04:02,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:04:02,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:04:02,430 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:04:02,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-02 23:04:02,432 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 23:04:02,432 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 23:04:02,446 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-02 23:04:02,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-02 23:04:02,465 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 23:04:02,465 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 23:04:02,465 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 23:04:02,465 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 23:04:02,465 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 23:04:02,465 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:04:02,465 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 23:04:02,466 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 23:04:02,466 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-02 23:04:02,466 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 23:04:02,466 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 23:04:02,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:04:28,858 WARN L207 SmtUtils]: Spent 24.37 s on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2021-11-02 23:04:30,430 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 23:04:30,430 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 23:04:30,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:04:30,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:04:30,435 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:04:30,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-02 23:04:30,436 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 [2021-11-02 23:04:30,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:04:30,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:04:30,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:04:30,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:04:30,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:04:30,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:04:30,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:04:30,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:04:30,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-02 23:04:30,492 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-02 23:04:30,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:04:30,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:04:30,495 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:04:30,505 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 [2021-11-02 23:04:30,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:04:30,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:04:30,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:04:30,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:04:30,515 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:04:30,519 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 23:04:30,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:04:30,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-02 23:04:30,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:04:30,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-02 23:04:30,565 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-02 23:04:30,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:04:30,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:04:30,566 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:04:30,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:04:30,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:04:30,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:04:30,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:04:30,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:04:30,579 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:04:30,583 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:04:30,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:04:30,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-02 23:04:30,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:04:30,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-02 23:04:30,629 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-02 23:04:30,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:04:30,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:04:30,630 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:04:30,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:04:30,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:04:30,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:04:30,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:04:30,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:04:30,643 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:04:30,648 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 23:04:30,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:04:30,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-02 23:04:30,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:04:30,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-02 23:04:30,700 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-02 23:04:30,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:04:30,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:04:30,701 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:04:30,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:04:30,714 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:04:30,714 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:04:30,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:04:30,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:04:30,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:04:30,715 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:04:30,718 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 23:04:30,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:04:30,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-02 23:04:30,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:04:30,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-02 23:04:30,764 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-02 23:04:30,764 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:04:30,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:04:30,765 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:04:30,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:04:30,777 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:04:30,777 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 23:04:30,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:04:30,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:04:30,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:04:30,777 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:04:30,782 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:04:30,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:04:30,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-02 23:04:30,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:04:30,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-02 23:04:30,833 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-02 23:04:30,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:04:30,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:04:30,837 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:04:30,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:04:30,849 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:04:30,849 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:04:30,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:04:30,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:04:30,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:04:30,850 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:04:30,857 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 23:04:30,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:04:30,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-02 23:04:30,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:04:30,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-02 23:04:30,924 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-02 23:04:30,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:04:30,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:04:30,926 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:04:30,929 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 [2021-11-02 23:04:30,939 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:04:30,939 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:04:30,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:04:30,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:04:30,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:04:30,940 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:04:30,944 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:04:30,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:04:30,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-02 23:04:30,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:04:31,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-02 23:04:31,000 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-02 23:04:31,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:04:31,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:04:31,002 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:04:31,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:04:31,016 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:04:31,016 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:04:31,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:04:31,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:04:31,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:04:31,017 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 23:04:31,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:04:31,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:04:31,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-02 23:04:31,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:04:31,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-02 23:04:31,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 23:04:31,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 23:04:31,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 23:04:31,079 INFO L87 Difference]: Start difference. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 23:04:31,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 23:04:31,410 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2021-11-02 23:04:31,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 23:04:31,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2021-11-02 23:04:31,411 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-02 23:04:31,412 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 19 transitions. [2021-11-02 23:04:31,412 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-11-02 23:04:31,412 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-11-02 23:04:31,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2021-11-02 23:04:31,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 23:04:31,413 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-11-02 23:04:31,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2021-11-02 23:04:31,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-02 23:04:31,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 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) [2021-11-02 23:04:31,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-11-02 23:04:31,416 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-11-02 23:04:31,416 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-11-02 23:04:31,416 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-02 23:04:31,416 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2021-11-02 23:04:31,417 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-02 23:04:31,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 23:04:31,417 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 23:04:31,418 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-02 23:04:31,418 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-02 23:04:31,418 INFO L791 eck$LassoCheckResult]: Stem: 181#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~ret0, main_#t~ret1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~u~0, main_~v~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~u~0;havoc main_~v~0;call main_#t~ret0 := __VERIFIER_nondet_unsigned_int();main_~a~0 := main_#t~ret0;havoc main_#t~ret0;call main_#t~ret1 := __VERIFIER_nondet_unsigned_int();main_~b~0 := main_#t~ret1;havoc main_#t~ret1; 182#L33 assume !(((main_~a~0 % 4294967296 < 1 || main_~b~0 % 4294967296 < 1) || main_~a~0 % 4294967296 > 65535) || main_~b~0 % 4294967296 > 65535);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~u~0 := main_~b~0;main_~v~0 := 0; 188#L55-2 assume !false; 191#L44 assume !!(main_~x~0 % 4294967296 != (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 192#L47-2 assume !false; 194#L49 assume !!(main_~x~0 % 4294967296 > (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296);main_~x~0 := main_~x~0 - main_~y~0;main_~v~0 := main_~v~0 + main_~u~0; 186#L47-2 [2021-11-02 23:04:31,418 INFO L793 eck$LassoCheckResult]: Loop: 186#L47-2 assume !false; 190#L49 assume !!(main_~x~0 % 4294967296 > (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296);main_~x~0 := main_~x~0 - main_~y~0;main_~v~0 := main_~v~0 + main_~u~0; 186#L47-2 [2021-11-02 23:04:31,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:04:31,419 INFO L85 PathProgramCache]: Analyzing trace with hash 922140976, now seen corresponding path program 1 times [2021-11-02 23:04:31,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:04:31,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185519153] [2021-11-02 23:04:31,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:04:31,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:04:31,424 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 23:04:31,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [131632376] [2021-11-02 23:04:31,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:04:31,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 23:04:31,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:04:31,431 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 23:04:31,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2021-11-02 23:04:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:04:31,460 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:04:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:04:31,468 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:04:31,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:04:31,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 1 times [2021-11-02 23:04:31,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:04:31,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523618576] [2021-11-02 23:04:31,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:04:31,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:04:31,472 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 23:04:31,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1303253930] [2021-11-02 23:04:31,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:04:31,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 23:04:31,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:04:31,489 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 23:04:31,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2021-11-02 23:04:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:04:31,517 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:04:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:04:31,522 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:04:31,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:04:31,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1414215893, now seen corresponding path program 2 times [2021-11-02 23:04:31,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:04:31,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792517652] [2021-11-02 23:04:31,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:04:31,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:04:31,528 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 23:04:31,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1714568846] [2021-11-02 23:04:31,529 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-02 23:04:31,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 23:04:31,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:04:31,541 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 23:04:31,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2021-11-02 23:04:32,374 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-02 23:04:32,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-02 23:04:32,375 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:04:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:04:32,775 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:04:40,437 WARN L207 SmtUtils]: Spent 7.52 s on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2021-11-02 23:04:46,009 WARN L207 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 5 [2021-11-02 23:04:53,398 WARN L207 SmtUtils]: Spent 5.84 s on a formula simplification that was a NOOP. DAG size: 27 [2021-11-02 23:04:53,400 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 23:04:53,400 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 23:04:53,400 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 23:04:53,400 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 23:04:53,400 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 23:04:53,400 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:04:53,400 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 23:04:53,400 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 23:04:53,400 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-11-02 23:04:53,401 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 23:04:53,401 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 23:04:53,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:04:53,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:04:59,275 WARN L207 SmtUtils]: Spent 5.87 s on a formula simplification that was a NOOP. DAG size: 27 [2021-11-02 23:04:59,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:04:59,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:06:49,699 WARN L207 SmtUtils]: Spent 1.84 m on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-11-02 23:07:55,631 WARN L207 SmtUtils]: Spent 1.09 m on a formula simplification that was a NOOP. DAG size: 57 [2021-11-02 23:07:56,083 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 23:07:56,083 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 23:07:56,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:07:56,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:07:56,084 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:07:56,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-02 23:07:56,085 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 23:07:56,085 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 23:07:56,095 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-02 23:07:56,095 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-02 23:07:56,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-02 23:07:56,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:07:56,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:07:56,116 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:07:56,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-02 23:07:56,117 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 23:07:56,117 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 23:07:56,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-11-02 23:07:56,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:07:56,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:07:56,151 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:07:56,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-02 23:07:56,152 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 23:07:56,152 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 23:07:56,185 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-02 23:07:56,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-02 23:07:56,208 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 23:07:56,208 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 23:07:56,208 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 23:07:56,208 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 23:07:56,208 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 23:07:56,208 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:07:56,208 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 23:07:56,208 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 23:07:56,208 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-11-02 23:07:56,208 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 23:07:56,208 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 23:07:56,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:07:56,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:07:56,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:07:56,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:09:36,095 WARN L207 SmtUtils]: Spent 1.65 m on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-11-02 23:10:12,613 WARN L207 SmtUtils]: Spent 35.72 s on a formula simplification that was a NOOP. DAG size: 57 [2021-11-02 23:10:13,011 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 23:10:13,011 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 23:10:13,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,013 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-02 23:10:13,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:13,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:10:13,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:13,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:10:13,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:10:13,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:13,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:13,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-02 23:10:13,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,044 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-02 23:10:13,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:13,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:10:13,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:13,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:10:13,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:10:13,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:13,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:13,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-02 23:10:13,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,073 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-02 23:10:13,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:13,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:10:13,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:13,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:10:13,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 23:10:13,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:13,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:13,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-11-02 23:10:13,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,109 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-02 23:10:13,110 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 [2021-11-02 23:10:13,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:10:13,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 23:10:13,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:10:13,125 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-02 23:10:13,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:13,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-02 23:10:13,171 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-02 23:10:13,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,172 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-02 23:10:13,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:13,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:10:13,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:13,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,188 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:10:13,188 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 23:10:13,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:13,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:13,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-11-02 23:10:13,211 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,212 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-02 23:10:13,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:13,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:10:13,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:13,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,221 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:10:13,221 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 23:10:13,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:13,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:13,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-11-02 23:10:13,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,242 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-02 23:10:13,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:13,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:10:13,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:13,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,251 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:10:13,251 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 23:10:13,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:13,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:13,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-11-02 23:10:13,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,292 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-02 23:10:13,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:13,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:10:13,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,301 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:10:13,311 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-02 23:10:13,311 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-02 23:10:13,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:13,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-11-02 23:10:13,346 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-02 23:10:13,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,347 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-02 23:10:13,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:13,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:10:13,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:13,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,356 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:10:13,357 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:10:13,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:13,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:13,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-11-02 23:10:13,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,380 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-02 23:10:13,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:13,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:10:13,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:13,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,390 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:10:13,401 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:10:13,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:13,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:13,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-11-02 23:10:13,455 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,456 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:13,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:10:13,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:13,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,475 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:10:13,476 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:10:13,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:13,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-02 23:10:13,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:13,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-02 23:10:13,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,533 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-02 23:10:13,536 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 [2021-11-02 23:10:13,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:10:13,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,544 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:10:13,560 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-02 23:10:13,561 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-02 23:10:13,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:13,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-11-02 23:10:13,599 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-02 23:10:13,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,600 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-02 23:10:13,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:13,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:10:13,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:13,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,615 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:10:13,616 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 23:10:13,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:13,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:13,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-11-02 23:10:13,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,654 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-02 23:10:13,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:13,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:10:13,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:13,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,664 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:10:13,665 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 23:10:13,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:13,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:13,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-11-02 23:10:13,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,713 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:13,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:10:13,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:13,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,725 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:10:13,726 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 23:10:13,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:13,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-02 23:10:13,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:13,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-11-02 23:10:13,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,775 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:13,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 23:10:13,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,791 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:10:13,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-02 23:10:13,808 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-02 23:10:13,808 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-02 23:10:13,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:13,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-11-02 23:10:13,873 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-02 23:10:13,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,874 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-02 23:10:13,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:13,882 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:13,882 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:10:13,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:13,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,882 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:10:13,883 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 23:10:13,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:13,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:13,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-11-02 23:10:13,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,905 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-02 23:10:13,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:13,913 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:13,913 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:10:13,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:13,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,913 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:10:13,914 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 23:10:13,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:13,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:13,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-11-02 23:10:13,934 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,935 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:13,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-02 23:10:13,943 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:13,943 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:10:13,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:13,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,944 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:10:13,944 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-02 23:10:13,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:13,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:13,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-11-02 23:10:13,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:13,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:13,966 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:13,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-02 23:10:13,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:13,974 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:13,975 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:10:13,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:13,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:13,975 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-02 23:10:13,986 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-02 23:10:13,986 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-02 23:10:14,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:14,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-11-02 23:10:14,046 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-02 23:10:14,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:14,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:14,047 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:14,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-02 23:10:14,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:14,056 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:14,057 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 23:10:14,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:14,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:14,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:14,057 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:10:14,057 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:10:14,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:14,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:14,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-11-02 23:10:14,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:14,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:14,080 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:14,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-02 23:10:14,082 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 [2021-11-02 23:10:14,089 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:14,089 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 23:10:14,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:14,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:14,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:14,089 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:10:14,090 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:10:14,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:14,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:14,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-11-02 23:10:14,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:14,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:14,112 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:14,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-02 23:10:14,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:14,121 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:14,121 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 23:10:14,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:14,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:14,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:14,121 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:10:14,122 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:10:14,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:14,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:14,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-11-02 23:10:14,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:14,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:14,145 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:14,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-02 23:10:14,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:14,154 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:14,154 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-02 23:10:14,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:14,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:14,154 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:10:14,167 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-02 23:10:14,167 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-02 23:10:14,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:14,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-11-02 23:10:14,220 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-02 23:10:14,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:14,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:14,221 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:14,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-02 23:10:14,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:14,230 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:14,230 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:10:14,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:14,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:14,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:14,231 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:10:14,231 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 23:10:14,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:14,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:14,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-11-02 23:10:14,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:14,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:14,255 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:14,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-02 23:10:14,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:14,264 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:14,264 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:10:14,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:14,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:14,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:14,264 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:10:14,265 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 23:10:14,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:14,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:14,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-11-02 23:10:14,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:14,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:14,288 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:14,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-02 23:10:14,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:14,296 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:14,296 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:10:14,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:14,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:14,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:14,297 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:10:14,298 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-02 23:10:14,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:14,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:14,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-11-02 23:10:14,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:14,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:14,321 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:14,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-02 23:10:14,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:14,331 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:14,331 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:10:14,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:14,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:14,331 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-02 23:10:14,348 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-02 23:10:14,348 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-02 23:10:14,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:14,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-11-02 23:10:14,449 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-02 23:10:14,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:14,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:14,450 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:14,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-02 23:10:14,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:14,458 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:14,458 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:10:14,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:14,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:14,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:14,459 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:10:14,459 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:10:14,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:14,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:14,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-11-02 23:10:14,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:14,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:14,492 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:14,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-02 23:10:14,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:14,500 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:14,500 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:10:14,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:14,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:14,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:14,501 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:10:14,501 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:10:14,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:14,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:14,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-11-02 23:10:14,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:14,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:14,541 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:14,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-02 23:10:14,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:14,549 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:14,549 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:10:14,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:14,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:14,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:14,549 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:10:14,550 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-02 23:10:14,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:14,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:14,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-11-02 23:10:14,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:14,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:14,571 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:14,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-02 23:10:14,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:14,579 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:14,580 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-02 23:10:14,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:14,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:14,580 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-02 23:10:14,594 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-02 23:10:14,594 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-02 23:10:14,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:14,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-11-02 23:10:14,640 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-02 23:10:14,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:14,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:14,640 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:14,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-11-02 23:10:14,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:14,649 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:14,649 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:10:14,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:14,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:14,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:14,649 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 23:10:14,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:10:14,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:14,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:14,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-11-02 23:10:14,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:14,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:14,672 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:14,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-11-02 23:10:14,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:14,680 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:14,680 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:10:14,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:14,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:14,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:14,680 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 23:10:14,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:10:14,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:14,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:14,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-11-02 23:10:14,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:14,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:14,706 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:14,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-11-02 23:10:14,707 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 [2021-11-02 23:10:14,715 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:14,715 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:10:14,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 23:10:14,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:14,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:14,715 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 23:10:14,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-02 23:10:14,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 23:10:14,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:14,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-11-02 23:10:14,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:14,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:14,738 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 23:10:14,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-11-02 23:10:14,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-02 23:10:14,747 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-02 23:10:14,747 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-02 23:10:14,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 23:10:14,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 23:10:14,748 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-02 23:10:14,768 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-02 23:10:14,768 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-02 23:10:14,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-02 23:10:14,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-11-02 23:10:14,826 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-02 23:10:14,837 INFO L791 eck$LassoCheckResult]: Stem: 181#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~ret0, main_#t~ret1, main_~a~0, main_~b~0, main_~x~0, main_~y~0, main_~u~0, main_~v~0;havoc main_~a~0;havoc main_~b~0;havoc main_~x~0;havoc main_~y~0;havoc main_~u~0;havoc main_~v~0;call main_#t~ret0 := __VERIFIER_nondet_unsigned_int();main_~a~0 := main_#t~ret0;havoc main_#t~ret0;call main_#t~ret1 := __VERIFIER_nondet_unsigned_int();main_~b~0 := main_#t~ret1;havoc main_#t~ret1; 182#L33 assume !(((main_~a~0 % 4294967296 < 1 || main_~b~0 % 4294967296 < 1) || main_~a~0 % 4294967296 > 65535) || main_~b~0 % 4294967296 > 65535);main_~x~0 := main_~a~0;main_~y~0 := main_~b~0;main_~u~0 := main_~b~0;main_~v~0 := 0; 188#L55-2 assume !false; 191#L44 assume !!(main_~x~0 % 4294967296 != (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296); 192#L47-2 assume !false; 194#L49 assume !!(main_~x~0 % 4294967296 > (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296);main_~x~0 := main_~x~0 - main_~y~0;main_~v~0 := main_~v~0 + main_~u~0; 186#L47-2 assume !false; 190#L49 assume !!(main_~x~0 % 4294967296 > (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296);main_~x~0 := main_~x~0 - main_~y~0;main_~v~0 := main_~v~0 + main_~u~0; 186#L47-2 [2021-11-02 23:10:14,837 INFO L793 eck$LassoCheckResult]: Loop: 186#L47-2 assume !false; 190#L49 assume !!(main_~x~0 % 4294967296 > (main_~y~0 + main_~x~0 * main_~u~0 + main_~y~0 * main_~v~0 - main_~a~0 * main_~b~0) % 4294967296);main_~x~0 := main_~x~0 - main_~y~0;main_~v~0 := main_~v~0 + main_~u~0; 186#L47-2 [2021-11-02 23:10:14,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:10:14,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1414215893, now seen corresponding path program 3 times [2021-11-02 23:10:14,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:10:14,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485206576] [2021-11-02 23:10:14,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:10:14,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:10:14,842 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 23:10:14,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1230119485] [2021-11-02 23:10:14,842 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-02 23:10:14,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 23:10:14,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:14,848 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 23:10:14,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (111)] Waiting until timeout for monitored process [2021-11-02 23:10:15,704 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-02 23:10:15,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-02 23:10:15,705 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:10:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:10:16,113 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:10:16,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:10:16,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 2 times [2021-11-02 23:10:16,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:10:16,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480795065] [2021-11-02 23:10:16,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:10:16,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:10:16,116 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 23:10:16,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [457460404] [2021-11-02 23:10:16,116 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-02 23:10:16,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 23:10:16,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:16,117 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 23:10:16,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (112)] Waiting until timeout for monitored process [2021-11-02 23:10:16,143 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-02 23:10:16,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-02 23:10:16,143 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:10:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:10:16,147 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:10:16,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 23:10:16,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1851808570, now seen corresponding path program 4 times [2021-11-02 23:10:16,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 23:10:16,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038975996] [2021-11-02 23:10:16,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 23:10:16,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 23:10:16,153 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 23:10:16,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [470079] [2021-11-02 23:10:16,153 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-02 23:10:16,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 23:10:16,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 23:10:16,170 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-02 23:10:16,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6380f3dd-8cdb-4e15-b17e-262594c7695b/bin/uautomizer-tBqnrhUYjU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (113)] Waiting until timeout for monitored process [2021-11-02 23:10:17,365 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-02 23:10:17,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-02 23:10:17,366 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 23:10:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 23:10:17,898 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 23:10:35,689 WARN L207 SmtUtils]: Spent 12.26 s on a formula simplification that was a NOOP. DAG size: 6 [2021-11-02 23:10:36,484 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 23:10:36,484 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 23:10:36,485 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 23:10:36,485 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 23:10:36,485 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 23:10:36,485 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 23:10:36,485 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 23:10:36,485 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 23:10:36,485 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-11-02 23:10:36,485 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 23:10:36,486 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 23:10:36,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:10:36,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:10:42,700 WARN L207 SmtUtils]: Spent 6.21 s on a formula simplification that was a NOOP. DAG size: 42 [2021-11-02 23:10:42,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:10:42,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 23:15:18,051 WARN L207 SmtUtils]: Spent 4.59 m on a formula simplification. DAG size of input: 85 DAG size of output: 79