./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.10-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.10-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8f561bb39ee57b07ab3831dd4ee3a1e439959bee7f69e1cabc2315100876031b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:18:30,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:18:30,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:18:30,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:18:30,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:18:30,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:18:30,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:18:30,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:18:30,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:18:30,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:18:30,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:18:30,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:18:30,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:18:30,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:18:30,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:18:30,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:18:30,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:18:30,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:18:30,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:18:30,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:18:30,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:18:30,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:18:30,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:18:30,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:18:30,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:18:30,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:18:30,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:18:30,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:18:30,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:18:30,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:18:30,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:18:30,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:18:30,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:18:30,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:18:30,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:18:30,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:18:30,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:18:30,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:18:30,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:18:30,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:18:30,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:18:30,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:18:30,433 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:18:30,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:18:30,433 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:18:30,433 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:18:30,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:18:30,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:18:30,435 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:18:30,435 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:18:30,435 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:18:30,436 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:18:30,436 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:18:30,436 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:18:30,436 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:18:30,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:18:30,437 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:18:30,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:18:30,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:18:30,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:18:30,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:18:30,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:18:30,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:18:30,438 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:18:30,438 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:18:30,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:18:30,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:18:30,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:18:30,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:18:30,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:18:30,440 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:18:30,441 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:18:30,441 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_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f561bb39ee57b07ab3831dd4ee3a1e439959bee7f69e1cabc2315100876031b [2021-10-28 23:18:30,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:18:30,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:18:30,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:18:30,728 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:18:30,729 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:18:30,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-memory-alloca/b.10-alloca.i [2021-10-28 23:18:30,813 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/data/211c85e09/7855a3dab89a4eaca372402fac5e76dd/FLAGab8e37a1d [2021-10-28 23:18:31,427 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:18:31,428 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/sv-benchmarks/c/termination-memory-alloca/b.10-alloca.i [2021-10-28 23:18:31,452 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/data/211c85e09/7855a3dab89a4eaca372402fac5e76dd/FLAGab8e37a1d [2021-10-28 23:18:31,700 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/data/211c85e09/7855a3dab89a4eaca372402fac5e76dd [2021-10-28 23:18:31,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:18:31,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:18:31,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:18:31,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:18:31,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:18:31,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:18:31" (1/1) ... [2021-10-28 23:18:31,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7eafbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:18:31, skipping insertion in model container [2021-10-28 23:18:31,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:18:31" (1/1) ... [2021-10-28 23:18:31,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:18:31,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:18:32,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:18:32,097 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:18:32,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:18:32,186 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:18:32,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:18:32 WrapperNode [2021-10-28 23:18:32,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:18:32,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:18:32,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:18:32,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:18:32,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:18:32" (1/1) ... [2021-10-28 23:18:32,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:18:32" (1/1) ... [2021-10-28 23:18:32,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:18:32,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:18:32,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:18:32,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:18:32,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:18:32" (1/1) ... [2021-10-28 23:18:32,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:18:32" (1/1) ... [2021-10-28 23:18:32,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:18:32" (1/1) ... [2021-10-28 23:18:32,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:18:32" (1/1) ... [2021-10-28 23:18:32,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:18:32" (1/1) ... [2021-10-28 23:18:32,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:18:32" (1/1) ... [2021-10-28 23:18:32,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:18:32" (1/1) ... [2021-10-28 23:18:32,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:18:32,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:18:32,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:18:32,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:18:32,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:18:32" (1/1) ... [2021-10-28 23:18:32,275 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:32,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:32,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:32,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:18:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:18:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:18:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:18:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:18:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:18:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:18:32,746 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:18:32,747 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:18:32,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:18:32 BoogieIcfgContainer [2021-10-28 23:18:32,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:18:32,750 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:18:32,750 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:18:32,756 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:18:32,757 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:18:32,757 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:18:31" (1/3) ... [2021-10-28 23:18:32,760 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6effba30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:18:32, skipping insertion in model container [2021-10-28 23:18:32,761 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:18:32,761 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:18:32" (2/3) ... [2021-10-28 23:18:32,762 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6effba30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:18:32, skipping insertion in model container [2021-10-28 23:18:32,762 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:18:32,763 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:18:32" (3/3) ... [2021-10-28 23:18:32,765 INFO L389 chiAutomizerObserver]: Analyzing ICFG b.10-alloca.i [2021-10-28 23:18:32,819 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:18:32,819 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:18:32,819 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:18:32,820 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:18:32,820 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:18:32,820 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:18:32,820 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:18:32,820 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:18:32,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:32,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2021-10-28 23:18:32,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:18:32,871 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:18:32,879 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:18:32,879 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:18:32,879 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:18:32,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:32,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2021-10-28 23:18:32,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:18:32,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:18:32,883 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:18:32,883 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:18:32,906 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24;test_fun_#in~x, test_fun_#in~y := main_#t~nondet22, main_#t~nondet23;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem21, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 16#L559-2true [2021-10-28 23:18:32,906 INFO L793 eck$LassoCheckResult]: Loop: 16#L559-2true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 17#L555-1true assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 2147483647 - test_fun_#t~mem6; 6#L555-3true test_fun_#t~short13 := test_fun_#t~short8; 8#L555-4true assume test_fun_#t~short13; 11#L555-9true test_fun_#t~short16 := test_fun_#t~short13; 12#L555-10true assume !test_fun_#t~short16; 15#L555-12true assume !!test_fun_#t~short16;havoc test_fun_#t~mem5;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;havoc test_fun_#t~short8;havoc test_fun_#t~mem9;havoc test_fun_#t~mem11;havoc test_fun_#t~mem10;havoc test_fun_#t~short12;havoc test_fun_#t~short13;havoc test_fun_#t~mem14;havoc test_fun_#t~mem15;havoc test_fun_#t~short16;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 7#L556true assume test_fun_#t~mem17 > 0;havoc test_fun_#t~mem17;call test_fun_#t~mem18 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem18 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem18; 16#L559-2true [2021-10-28 23:18:32,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:32,913 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 23:18:32,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:18:32,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649910995] [2021-10-28 23:18:32,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:18:32,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:18:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:18:33,081 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:18:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:18:33,163 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:18:33,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:33,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1790206705, now seen corresponding path program 1 times [2021-10-28 23:18:33,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:18:33,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850926825] [2021-10-28 23:18:33,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:18:33,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:18:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:18:33,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:18:33,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:18:33,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850926825] [2021-10-28 23:18:33,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850926825] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:18:33,265 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:18:33,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:18:33,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375015920] [2021-10-28 23:18:33,275 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:18:33,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:18:33,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:18:33,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:18:33,297 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:33,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:18:33,363 INFO L93 Difference]: Finished difference Result 21 states and 28 transitions. [2021-10-28 23:18:33,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:18:33,366 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2021-10-28 23:18:33,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2021-10-28 23:18:33,377 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 22 transitions. [2021-10-28 23:18:33,379 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-28 23:18:33,380 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-10-28 23:18:33,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2021-10-28 23:18:33,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:18:33,382 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-10-28 23:18:33,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2021-10-28 23:18:33,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2021-10-28 23:18:33,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 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) [2021-10-28 23:18:33,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2021-10-28 23:18:33,417 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2021-10-28 23:18:33,417 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2021-10-28 23:18:33,417 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:18:33,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2021-10-28 23:18:33,420 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-10-28 23:18:33,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:18:33,421 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:18:33,422 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:18:33,422 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:18:33,423 INFO L791 eck$LassoCheckResult]: Stem: 51#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 52#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24;test_fun_#in~x, test_fun_#in~y := main_#t~nondet22, main_#t~nondet23;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem21, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 56#L559-2 [2021-10-28 23:18:33,423 INFO L793 eck$LassoCheckResult]: Loop: 56#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 63#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 2147483647 - test_fun_#t~mem6; 53#L555-3 test_fun_#t~short13 := test_fun_#t~short8; 54#L555-4 assume test_fun_#t~short13; 58#L555-9 test_fun_#t~short16 := test_fun_#t~short13; 60#L555-10 assume test_fun_#t~short16;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short16 := test_fun_#t~mem14 + test_fun_#t~mem15 > 0; 61#L555-12 assume !!test_fun_#t~short16;havoc test_fun_#t~mem5;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;havoc test_fun_#t~short8;havoc test_fun_#t~mem9;havoc test_fun_#t~mem11;havoc test_fun_#t~mem10;havoc test_fun_#t~short12;havoc test_fun_#t~short13;havoc test_fun_#t~mem14;havoc test_fun_#t~mem15;havoc test_fun_#t~short16;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 55#L556 assume test_fun_#t~mem17 > 0;havoc test_fun_#t~mem17;call test_fun_#t~mem18 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem18 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem18; 56#L559-2 [2021-10-28 23:18:33,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:33,424 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-10-28 23:18:33,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:18:33,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532622888] [2021-10-28 23:18:33,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:18:33,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:18:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:18:33,497 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:18:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:18:33,550 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:18:33,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:33,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1790208627, now seen corresponding path program 1 times [2021-10-28 23:18:33,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:18:33,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353872628] [2021-10-28 23:18:33,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:18:33,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:18:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:18:33,589 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:18:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:18:33,615 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:18:33,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:33,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1099647153, now seen corresponding path program 1 times [2021-10-28 23:18:33,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:18:33,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680473041] [2021-10-28 23:18:33,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:18:33,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:18:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:18:33,649 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:18:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:18:33,686 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:18:35,023 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:18:35,024 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:18:35,035 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:18:35,035 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:18:35,036 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:18:35,036 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:35,036 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:18:35,036 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:18:35,036 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.10-alloca.i_Iteration2_Lasso [2021-10-28 23:18:35,036 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:18:35,037 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:18:35,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:35,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:36,187 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:18:36,192 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:18:36,194 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:36,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:36,196 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:36,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:36,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:18:36,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:36,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:36,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:36,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:36,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:36,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:36,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:36,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:36,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:36,280 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:36,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:36,282 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:36,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:36,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:36,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:36,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:36,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:36,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:36,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:36,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:36,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:18:36,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:36,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:36,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:36,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:36,345 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:36,348 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 [2021-10-28 23:18:36,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:36,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:36,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:36,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:36,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:36,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:36,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:36,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:18:36,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:36,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:36,412 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:36,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:36,413 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:36,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:36,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:36,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:36,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:36,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:36,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:36,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:36,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:36,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:18:36,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:36,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:36,482 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:36,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:36,488 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:36,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:36,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:36,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:36,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:36,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:36,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:36,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:36,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:36,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:18:36,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:36,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:36,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:36,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:36,549 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:36,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:36,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:36,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:36,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:36,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:36,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:36,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:36,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:36,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:18:36,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:36,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:36,627 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:36,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:36,632 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:36,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:36,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:36,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:36,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:36,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:36,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:36,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:36,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:36,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:18:36,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:36,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:36,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:36,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:36,708 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:36,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:18:36,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:36,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:36,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:36,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:36,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:36,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:18:36,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:18:36,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:36,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:36,783 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:36,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:36,784 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:36,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:36,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:36,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:36,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:36,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:36,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:36,810 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:36,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:36,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:18:36,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:36,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:36,871 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:36,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:36,873 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:36,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:18:36,875 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 [2021-10-28 23:18:36,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:36,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:36,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:36,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:36,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:36,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:36,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:36,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:36,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:36,915 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:36,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:36,916 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:36,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:18:36,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:36,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:36,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:36,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:36,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:36,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:18:36,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:18:36,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:36,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:36,969 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:36,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:36,969 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:36,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:18:36,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:36,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:36,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:36,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:36,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:36,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:18:36,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:18:37,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:37,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:37,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:37,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:37,036 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:37,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:18:37,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:37,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:37,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:37,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:37,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:37,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:18:37,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:18:37,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:37,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:37,112 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:37,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:37,113 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:37,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:18:37,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:37,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:37,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:37,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:37,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:37,134 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:18:37,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:18:37,159 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:18:37,185 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-28 23:18:37,185 INFO L444 ModelExtractionUtils]: 10 out of 28 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-10-28 23:18:37,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:37,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:37,200 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:37,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:18:37,222 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:18:37,249 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:18:37,249 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:18:37,250 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2021-10-28 23:18:37,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:37,391 INFO L297 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2021-10-28 23:18:37,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:18:37,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:18:37,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:18:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:18:37,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:18:37,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:18:37,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:18:37,583 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:18:37,584 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:37,664 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 45 transitions. Complement of second has 6 states. [2021-10-28 23:18:37,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:18:37,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:37,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2021-10-28 23:18:37,667 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 2 letters. Loop has 8 letters. [2021-10-28 23:18:37,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:18:37,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 10 letters. Loop has 8 letters. [2021-10-28 23:18:37,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:18:37,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 2 letters. Loop has 16 letters. [2021-10-28 23:18:37,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:18:37,672 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 45 transitions. [2021-10-28 23:18:37,675 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-10-28 23:18:37,678 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 45 transitions. [2021-10-28 23:18:37,678 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-28 23:18:37,678 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-28 23:18:37,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 45 transitions. [2021-10-28 23:18:37,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:18:37,679 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 45 transitions. [2021-10-28 23:18:37,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 45 transitions. [2021-10-28 23:18:37,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2021-10-28 23:18:37,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 29 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:37,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 43 transitions. [2021-10-28 23:18:37,683 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 43 transitions. [2021-10-28 23:18:37,683 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 43 transitions. [2021-10-28 23:18:37,683 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:18:37,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 43 transitions. [2021-10-28 23:18:37,684 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-10-28 23:18:37,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:18:37,684 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:18:37,685 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 23:18:37,685 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:18:37,685 INFO L791 eck$LassoCheckResult]: Stem: 242#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 243#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24;test_fun_#in~x, test_fun_#in~y := main_#t~nondet22, main_#t~nondet23;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem21, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 257#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 266#L555-1 [2021-10-28 23:18:37,685 INFO L793 eck$LassoCheckResult]: Loop: 266#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 2147483647 - test_fun_#t~mem6; 244#L555-3 test_fun_#t~short13 := test_fun_#t~short8; 245#L555-4 assume test_fun_#t~short13; 253#L555-9 test_fun_#t~short16 := test_fun_#t~short13; 258#L555-10 assume test_fun_#t~short16;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short16 := test_fun_#t~mem14 + test_fun_#t~mem15 > 0; 260#L555-12 assume !!test_fun_#t~short16;havoc test_fun_#t~mem5;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;havoc test_fun_#t~short8;havoc test_fun_#t~mem9;havoc test_fun_#t~mem11;havoc test_fun_#t~mem10;havoc test_fun_#t~short12;havoc test_fun_#t~short13;havoc test_fun_#t~mem14;havoc test_fun_#t~mem15;havoc test_fun_#t~short16;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 248#L556 assume !(test_fun_#t~mem17 > 0);havoc test_fun_#t~mem17;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 249#L559 assume !(test_fun_#t~mem19 > 0);havoc test_fun_#t~mem19; 262#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 266#L555-1 [2021-10-28 23:18:37,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:37,685 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-28 23:18:37,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:18:37,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524137300] [2021-10-28 23:18:37,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:18:37,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:18:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:18:37,703 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:18:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:18:37,719 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:18:37,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:37,720 INFO L85 PathProgramCache]: Analyzing trace with hash 572463690, now seen corresponding path program 1 times [2021-10-28 23:18:37,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:18:37,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127798968] [2021-10-28 23:18:37,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:18:37,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:18:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:18:37,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:18:37,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:18:37,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127798968] [2021-10-28 23:18:37,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127798968] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:18:37,808 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:18:37,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:18:37,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110915953] [2021-10-28 23:18:37,809 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:18:37,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:18:37,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:18:37,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:18:37,811 INFO L87 Difference]: Start difference. First operand 30 states and 43 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:37,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:18:37,882 INFO L93 Difference]: Finished difference Result 30 states and 41 transitions. [2021-10-28 23:18:37,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:18:37,883 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. [2021-10-28 23:18:37,889 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-10-28 23:18:37,891 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 41 transitions. [2021-10-28 23:18:37,891 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-28 23:18:37,892 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-10-28 23:18:37,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 41 transitions. [2021-10-28 23:18:37,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:18:37,892 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2021-10-28 23:18:37,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 41 transitions. [2021-10-28 23:18:37,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-28 23:18:37,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 29 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:37,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions. [2021-10-28 23:18:37,901 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2021-10-28 23:18:37,901 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2021-10-28 23:18:37,901 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 23:18:37,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 41 transitions. [2021-10-28 23:18:37,904 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-10-28 23:18:37,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:18:37,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:18:37,905 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 23:18:37,905 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:18:37,905 INFO L791 eck$LassoCheckResult]: Stem: 314#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 315#L-1 havoc main_#res;havoc main_#t~nondet22, main_#t~nondet23, main_#t~ret24;test_fun_#in~x, test_fun_#in~y := main_#t~nondet22, main_#t~nondet23;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem17, test_fun_#t~mem18, test_fun_#t~mem19, test_fun_#t~mem20, test_fun_#t~mem5, test_fun_#t~mem7, test_fun_#t~mem6, test_fun_#t~short8, test_fun_#t~mem9, test_fun_#t~mem11, test_fun_#t~mem10, test_fun_#t~short12, test_fun_#t~short13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~short16, test_fun_#t~mem21, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 329#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 338#L555-1 [2021-10-28 23:18:37,905 INFO L793 eck$LassoCheckResult]: Loop: 338#L555-1 assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 2147483647 - test_fun_#t~mem6; 316#L555-3 test_fun_#t~short13 := test_fun_#t~short8; 317#L555-4 assume test_fun_#t~short13; 325#L555-9 test_fun_#t~short16 := test_fun_#t~short13; 330#L555-10 assume test_fun_#t~short16;call test_fun_#t~mem14 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem15 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short16 := test_fun_#t~mem14 + test_fun_#t~mem15 > 0; 332#L555-12 assume !!test_fun_#t~short16;havoc test_fun_#t~mem5;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;havoc test_fun_#t~short8;havoc test_fun_#t~mem9;havoc test_fun_#t~mem11;havoc test_fun_#t~mem10;havoc test_fun_#t~short12;havoc test_fun_#t~short13;havoc test_fun_#t~mem14;havoc test_fun_#t~mem15;havoc test_fun_#t~short16;call test_fun_#t~mem17 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 320#L556 assume !(test_fun_#t~mem17 > 0);havoc test_fun_#t~mem17;call test_fun_#t~mem19 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 321#L559 assume test_fun_#t~mem19 > 0;havoc test_fun_#t~mem19;call test_fun_#t~mem20 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem20 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem20; 334#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 >= 0; 338#L555-1 [2021-10-28 23:18:37,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:37,906 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2021-10-28 23:18:37,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:18:37,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796484282] [2021-10-28 23:18:37,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:18:37,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:18:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:18:37,950 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:18:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:18:37,970 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:18:37,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:37,975 INFO L85 PathProgramCache]: Analyzing trace with hash 572463628, now seen corresponding path program 1 times [2021-10-28 23:18:37,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:18:37,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803232637] [2021-10-28 23:18:37,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:18:37,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:18:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:18:37,994 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:18:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:18:38,008 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:18:38,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:38,009 INFO L85 PathProgramCache]: Analyzing trace with hash -198955831, now seen corresponding path program 1 times [2021-10-28 23:18:38,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:18:38,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730299411] [2021-10-28 23:18:38,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:18:38,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:18:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:18:38,028 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:18:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:18:38,048 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:18:38,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-10-28 23:18:39,237 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:18:39,237 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:18:39,237 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:18:39,238 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:18:39,238 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:18:39,238 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:39,238 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:18:39,238 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:18:39,238 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.10-alloca.i_Iteration4_Lasso [2021-10-28 23:18:39,238 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:18:39,238 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:18:39,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:39,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:39,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:39,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:39,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:39,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:39,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:39,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:39,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:39,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:39,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:39,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:39,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:39,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:39,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:39,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:39,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:39,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:39,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:39,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:40,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:40,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:40,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:40,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:18:41,167 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:18:41,167 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:18:41,167 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:41,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:41,172 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:41,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:41,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:41,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:41,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:41,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:41,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:41,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:41,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:41,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 23:18:41,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:41,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:41,240 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:41,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:41,241 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:41,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:41,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:41,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:41,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:41,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:41,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:41,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 23:18:41,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:41,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:41,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:41,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:41,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:41,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:41,280 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:41,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 23:18:41,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:41,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:41,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:41,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:41,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:41,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:41,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:41,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:41,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:41,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-10-28 23:18:41,313 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:41,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:41,313 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:41,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 23:18:41,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:41,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:41,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:41,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:41,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:41,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:41,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:41,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:41,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:41,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:41,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:41,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:41,351 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:41,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:41,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 23:18:41,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:41,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:41,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:41,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:41,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:18:41,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:18:41,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:41,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:41,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:41,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:41,421 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:41,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 23:18:41,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:41,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:41,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:41,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:41,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:41,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:41,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:41,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:41,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:41,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:41,452 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:41,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:41,453 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:41,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 23:18:41,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:41,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:41,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:41,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:41,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:41,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:41,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:41,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:41,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:41,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:41,496 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:41,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:41,497 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:41,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 23:18:41,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:41,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:41,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:41,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:41,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:41,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:18:41,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:18:41,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:41,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-28 23:18:41,560 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:41,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:41,561 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:41,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 23:18:41,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:41,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:41,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:41,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:41,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:41,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:41,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:41,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:41,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:41,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-28 23:18:41,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:41,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:41,592 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:41,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 23:18:41,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:41,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:41,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:41,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:41,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:41,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:41,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:41,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:41,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:41,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:41,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:41,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:41,623 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:41,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 23:18:41,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:41,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:41,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:41,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:41,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:41,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:41,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:41,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:41,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:41,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-28 23:18:41,655 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:41,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:41,656 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:41,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:41,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:41,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:41,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:41,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:41,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:41,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:41,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:41,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 23:18:41,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:41,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:41,717 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:41,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:41,718 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:41,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 23:18:41,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:41,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:41,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:41,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:41,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:41,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:41,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:41,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:41,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:41,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-28 23:18:41,752 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:41,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:41,753 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:41,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 23:18:41,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:41,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:41,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:41,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:41,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:41,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:41,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:41,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:41,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:41,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:41,791 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:41,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:41,791 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:41,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 23:18:41,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:41,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:41,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:41,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:41,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:41,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:41,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:41,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:41,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:41,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:41,879 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:41,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:41,881 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:41,882 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 [2021-10-28 23:18:41,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:41,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:41,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:41,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:41,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:18:41,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:18:41,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 23:18:41,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:41,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:41,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:41,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:41,949 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:41,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:41,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:41,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:41,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:41,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:41,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:41,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:41,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:41,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 23:18:41,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:41,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-28 23:18:41,988 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:41,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:41,990 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:41,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 23:18:41,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:42,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:42,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:42,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:42,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:42,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:18:42,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:18:42,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:42,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:42,029 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:42,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:42,030 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:42,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 23:18:42,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:42,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:42,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:18:42,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:42,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:42,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:42,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:18:42,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:18:42,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:42,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:42,063 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:42,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:42,064 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:42,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 23:18:42,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:42,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:42,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:42,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:42,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:42,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:18:42,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:18:42,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:42,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:42,141 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:42,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:42,143 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:42,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:42,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:42,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:42,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:42,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:42,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:18:42,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:18:42,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 23:18:42,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:42,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:42,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:42,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:42,215 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:42,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:42,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:42,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:42,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:42,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:42,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:18:42,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:18:42,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 23:18:42,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:42,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:42,260 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:42,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:42,261 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:42,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 23:18:42,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:42,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:42,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:42,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:42,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:42,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:18:42,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:18:42,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:42,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:42,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:42,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:42,346 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:42,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 23:18:42,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:42,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:42,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:18:42,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:18:42,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:42,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:18:42,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:18:42,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:18:42,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:42,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:42,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:42,410 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:42,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 23:18:42,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:18:42,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:18:42,422 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 23:18:42,422 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 23:18:42,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:18:42,473 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-10-28 23:18:42,476 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 23:18:42,536 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:18:42,600 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-28 23:18:42,601 INFO L444 ModelExtractionUtils]: 40 out of 56 variables were initially zero. Simplification set additionally 14 variables to zero. [2021-10-28 23:18:42,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:18:42,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:18:42,604 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:18:42,606 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:18:42,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 23:18:42,631 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2021-10-28 23:18:42,631 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:18:42,631 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2 Supporting invariants [] [2021-10-28 23:18:42,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:42,738 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2021-10-28 23:18:42,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:18:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:18:42,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:18:42,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:18:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:18:42,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 23:18:42,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:18:43,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 23:18:43,127 INFO L354 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2021-10-28 23:18:43,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 37 [2021-10-28 23:18:43,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:18:43,208 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2021-10-28 23:18:43,209 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 41 transitions. cyclomatic complexity: 13 Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:43,344 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 41 transitions. cyclomatic complexity: 13. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 89 transitions. Complement of second has 10 states. [2021-10-28 23:18:43,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2021-10-28 23:18:43,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:18:43,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2021-10-28 23:18:43,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 3 letters. Loop has 9 letters. [2021-10-28 23:18:43,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:18:43,347 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 12 letters. Loop has 9 letters. [2021-10-28 23:18:43,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:18:43,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 3 letters. Loop has 18 letters. [2021-10-28 23:18:43,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:18:43,348 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 89 transitions. [2021-10-28 23:18:43,351 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:18:43,351 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 0 states and 0 transitions. [2021-10-28 23:18:43,351 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:18:43,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:18:43,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:18:43,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:18:43,352 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:18:43,352 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:18:43,353 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:18:43,353 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 23:18:43,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:18:43,353 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:18:43,353 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:18:43,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:18:43 BoogieIcfgContainer [2021-10-28 23:18:43,366 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:18:43,367 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:18:43,367 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:18:43,367 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:18:43,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:18:32" (3/4) ... [2021-10-28 23:18:43,373 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:18:43,373 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:18:43,375 INFO L168 Benchmark]: Toolchain (without parser) took 11664.49 ms. Allocated memory was 98.6 MB in the beginning and 146.8 MB in the end (delta: 48.2 MB). Free memory was 64.5 MB in the beginning and 91.5 MB in the end (delta: -27.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:18:43,375 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 98.6 MB. Free memory is still 53.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:18:43,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.73 ms. Allocated memory is still 98.6 MB. Free memory was 64.3 MB in the beginning and 67.0 MB in the end (delta: -2.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:18:43,376 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.15 ms. Allocated memory is still 98.6 MB. Free memory was 67.0 MB in the beginning and 65.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:18:43,377 INFO L168 Benchmark]: Boogie Preprocessor took 27.67 ms. Allocated memory is still 98.6 MB. Free memory was 65.0 MB in the beginning and 63.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:18:43,377 INFO L168 Benchmark]: RCFGBuilder took 483.71 ms. Allocated memory is still 98.6 MB. Free memory was 63.7 MB in the beginning and 51.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:18:43,378 INFO L168 Benchmark]: BuchiAutomizer took 10615.96 ms. Allocated memory was 98.6 MB in the beginning and 146.8 MB in the end (delta: 48.2 MB). Free memory was 51.8 MB in the beginning and 91.5 MB in the end (delta: -39.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:18:43,378 INFO L168 Benchmark]: Witness Printer took 6.73 ms. Allocated memory is still 146.8 MB. Free memory is still 91.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:18:43,382 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 98.6 MB. Free memory is still 53.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 474.73 ms. Allocated memory is still 98.6 MB. Free memory was 64.3 MB in the beginning and 67.0 MB in the end (delta: -2.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.15 ms. Allocated memory is still 98.6 MB. Free memory was 67.0 MB in the beginning and 65.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.67 ms. Allocated memory is still 98.6 MB. Free memory was 65.0 MB in the beginning and 63.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 483.71 ms. Allocated memory is still 98.6 MB. Free memory was 63.7 MB in the beginning and 51.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 10615.96 ms. Allocated memory was 98.6 MB in the beginning and 146.8 MB in the end (delta: 48.2 MB). Free memory was 51.8 MB in the beginning and 91.5 MB in the end (delta: -39.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 6.73 ms. Allocated memory is still 146.8 MB. Free memory is still 91.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 4 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.5s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 9.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 30 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 56 SDtfs, 28 SDslu, 103 SDs, 0 SdLazy, 101 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital291 mio100 ax106 hnf100 lsp93 ukn78 mio100 lsp29 div100 bol106 ite100 ukn100 eq172 hnf89 smp97 dnf221 smp73 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 222ms VariablesStem: 10 VariablesLoop: 7 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:18:43,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22d3731e-0d41-4d42-a0a9-65a1cb2d3e2d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...