./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eba94063d18105b44b9503ed48a138d00b9b850cd51aae19571aab60c15e268e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 08:50:30,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:50:30,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:50:30,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:50:30,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:50:30,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:50:30,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:50:30,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:50:30,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:50:30,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:50:30,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:50:30,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:50:30,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:50:30,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:50:30,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:50:30,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:50:30,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:50:30,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:50:30,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:50:30,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:50:30,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:50:30,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:50:30,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:50:30,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:50:30,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:50:30,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:50:30,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:50:30,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:50:30,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:50:30,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:50:30,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:50:30,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:50:30,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:50:30,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:50:30,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:50:30,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:50:30,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:50:30,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:50:30,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:50:30,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:50:30,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:50:30,413 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 08:50:30,476 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:50:30,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:50:30,478 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:50:30,478 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:50:30,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:50:30,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:50:30,481 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:50:30,481 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 08:50:30,482 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 08:50:30,482 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 08:50:30,483 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 08:50:30,484 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 08:50:30,484 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 08:50:30,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:50:30,485 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:50:30,485 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:50:30,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:50:30,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:50:30,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:50:30,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 08:50:30,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 08:50:30,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 08:50:30,487 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:50:30,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:50:30,487 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 08:50:30,487 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:50:30,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 08:50:30,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:50:30,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:50:30,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:50:30,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:50:30,491 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:50:30,493 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 08:50:30,493 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_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eba94063d18105b44b9503ed48a138d00b9b850cd51aae19571aab60c15e268e [2021-10-28 08:50:30,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:50:30,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:50:30,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:50:30,832 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:50:30,833 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:50:30,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i [2021-10-28 08:50:30,915 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/data/1f49f4e40/077c9dc40c344876a713aa59a4f084d3/FLAG8afed83bc [2021-10-28 08:50:31,480 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:50:31,481 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i [2021-10-28 08:50:31,498 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/data/1f49f4e40/077c9dc40c344876a713aa59a4f084d3/FLAG8afed83bc [2021-10-28 08:50:31,751 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/data/1f49f4e40/077c9dc40c344876a713aa59a4f084d3 [2021-10-28 08:50:31,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:50:31,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:50:31,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:50:31,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:50:31,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:50:31,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:50:31" (1/1) ... [2021-10-28 08:50:31,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df40c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:31, skipping insertion in model container [2021-10-28 08:50:31,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:50:31" (1/1) ... [2021-10-28 08:50:31,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:50:31,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:50:32,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:50:32,299 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:50:32,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:50:32,415 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:50:32,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:32 WrapperNode [2021-10-28 08:50:32,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:50:32,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:50:32,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:50:32,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:50:32,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:32" (1/1) ... [2021-10-28 08:50:32,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:32" (1/1) ... [2021-10-28 08:50:32,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:50:32,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:50:32,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:50:32,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:50:32,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:32" (1/1) ... [2021-10-28 08:50:32,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:32" (1/1) ... [2021-10-28 08:50:32,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:32" (1/1) ... [2021-10-28 08:50:32,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:32" (1/1) ... [2021-10-28 08:50:32,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:32" (1/1) ... [2021-10-28 08:50:32,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:32" (1/1) ... [2021-10-28 08:50:32,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:32" (1/1) ... [2021-10-28 08:50:32,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:50:32,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:50:32,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:50:32,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:50:32,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:32" (1/1) ... [2021-10-28 08:50:32,565 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:32,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:32,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:32,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 08:50:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 08:50:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:50:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 08:50:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:50:32,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:50:32,894 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:50:32,895 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 08:50:32,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:50:32 BoogieIcfgContainer [2021-10-28 08:50:32,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:50:32,898 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 08:50:32,899 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 08:50:32,902 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 08:50:32,903 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:50:32,904 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 08:50:31" (1/3) ... [2021-10-28 08:50:32,910 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f78f388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:50:32, skipping insertion in model container [2021-10-28 08:50:32,911 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:50:32,911 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:32" (2/3) ... [2021-10-28 08:50:32,912 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f78f388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:50:32, skipping insertion in model container [2021-10-28 08:50:32,912 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:50:32,912 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:50:32" (3/3) ... [2021-10-28 08:50:32,914 INFO L389 chiAutomizerObserver]: Analyzing ICFG openbsd_cmemset-alloca-1.i [2021-10-28 08:50:32,965 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 08:50:32,965 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 08:50:32,966 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 08:50:32,966 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 08:50:32,966 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 08:50:32,966 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 08:50:32,967 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 08:50:32,967 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 08:50:32,983 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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 08:50:33,007 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:50:33,007 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:50:33,007 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:50:33,015 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 08:50:33,015 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 08:50:33,015 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 08:50:33,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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 08:50:33,019 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:50:33,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:50:33,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:50:33,020 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 08:50:33,020 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 08:50:33,028 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~ret8.base, main_#t~ret8.offset, main_~length~0, main_~n~0, main_~c~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet4;havoc main_#t~nondet4;main_~n~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~c~0 := main_#t~nondet6;havoc main_#t~nondet6; 12#L527true assume !(main_~length~0 < 1); 13#L527-2true assume !(main_~n~0 < 1); 14#L530-1true call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;cmemset_#in~dst.base, cmemset_#in~dst.offset, cmemset_#in~c, cmemset_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~c~0, main_~n~0;havoc cmemset_#res.base, cmemset_#res.offset;havoc cmemset_#t~post3.base, cmemset_#t~post3.offset, cmemset_#t~pre2, cmemset_~d~0.base, cmemset_~d~0.offset, cmemset_~dst.base, cmemset_~dst.offset, cmemset_~c, cmemset_~n;cmemset_~dst.base, cmemset_~dst.offset := cmemset_#in~dst.base, cmemset_#in~dst.offset;cmemset_~c := cmemset_#in~c;cmemset_~n := cmemset_#in~n; 8#L515true assume 0 != cmemset_~n;cmemset_~d~0.base, cmemset_~d~0.offset := cmemset_~dst.base, cmemset_~dst.offset; 15#L517-4true [2021-10-28 08:50:33,029 INFO L793 eck$LassoCheckResult]: Loop: 15#L517-4true cmemset_#t~post3.base, cmemset_#t~post3.offset := cmemset_~d~0.base, cmemset_~d~0.offset;cmemset_~d~0.base, cmemset_~d~0.offset := cmemset_#t~post3.base, 1 + cmemset_#t~post3.offset;call write~int(cmemset_~c, cmemset_#t~post3.base, cmemset_#t~post3.offset, 1);havoc cmemset_#t~post3.base, cmemset_#t~post3.offset; 9#L517-1true cmemset_#t~pre2 := cmemset_~n - 1;cmemset_~n := cmemset_~n - 1; 10#L517-2true assume !!(0 != cmemset_#t~pre2);havoc cmemset_#t~pre2; 15#L517-4true [2021-10-28 08:50:33,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:50:33,036 INFO L85 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2021-10-28 08:50:33,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:50:33,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520539431] [2021-10-28 08:50:33,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:50:33,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:50:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:50:33,216 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:50:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:50:33,295 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:50:33,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:50:33,299 INFO L85 PathProgramCache]: Analyzing trace with hash 51706, now seen corresponding path program 1 times [2021-10-28 08:50:33,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:50:33,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541974396] [2021-10-28 08:50:33,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:50:33,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:50:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:50:33,318 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:50:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:50:33,335 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:50:33,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:50:33,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1298288271, now seen corresponding path program 1 times [2021-10-28 08:50:33,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:50:33,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195417903] [2021-10-28 08:50:33,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:50:33,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:50:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:50:33,372 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:50:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:50:33,404 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:50:34,036 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:50:34,037 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:50:34,037 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:50:34,038 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:50:34,038 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:50:34,038 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:34,038 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:50:34,038 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:50:34,039 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemset-alloca-1.i_Iteration1_Lasso [2021-10-28 08:50:34,039 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:50:34,039 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:50:34,070 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 08:50:34,076 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 08:50:34,079 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 08:50:34,081 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 08:50:34,084 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 08:50:34,087 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 08:50:34,089 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 08:50:34,093 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 08:50:34,096 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 08:50:34,100 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 08:50:34,105 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 08:50:34,107 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 08:50:34,110 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 08:50:34,113 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 08:50:34,115 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 08:50:34,327 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 08:50:34,332 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 08:50:34,335 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 08:50:34,783 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:50:34,788 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:50:34,790 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:34,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:34,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:34,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 08:50:34,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:50:34,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:34,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:50:34,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:34,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:34,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:34,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:50:34,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:50:34,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:50:34,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:34,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:34,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:34,879 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:34,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 08:50:34,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:34,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:50:34,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:34,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:34,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:34,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:50:34,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:50:34,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 08:50:34,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:50:34,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:34,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:34,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:34,941 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:34,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 08:50:34,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 08:50:34,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:34,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:50:34,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:34,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:34,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:34,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:50:34,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:50:34,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:50:35,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:35,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:35,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:35,020 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:35,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 08:50:35,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 08:50:35,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:35,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:50:35,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:35,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:35,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:35,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:50:35,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:50:35,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:50:35,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:35,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:35,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:35,079 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:35,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 08:50:35,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 08:50:35,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:35,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:50:35,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:35,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:35,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:35,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:50:35,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:50:35,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:50:35,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:35,121 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:35,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:35,122 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:35,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 08:50:35,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:50:35,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:35,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:50:35,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:35,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:35,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:35,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:50:35,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:50:35,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:50:35,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:35,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:35,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:35,201 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:35,207 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 08:50:35,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:35,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:35,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:35,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:35,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:50:35,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:50:35,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 08:50:35,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:50:35,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-28 08:50:35,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:35,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:35,280 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:35,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 08:50:35,282 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 08:50:35,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:35,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:50:35,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:35,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:35,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:35,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:50:35,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:50:35,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:50:35,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:35,325 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:35,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:35,327 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:35,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 08:50:35,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 08:50:35,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:35,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:35,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:35,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:35,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:50:35,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:50:35,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:50:35,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:35,385 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:35,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:35,387 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:35,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 08:50:35,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 08:50:35,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:35,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:35,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:35,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:35,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:50:35,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:50:35,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:50:35,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:35,475 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:35,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:35,478 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:35,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 08:50:35,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:35,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:50:35,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:35,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:35,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:35,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:50:35,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:50:35,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 08:50:35,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:50:35,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:35,565 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:35,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:35,567 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:35,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 08:50:35,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:50:35,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:35,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:50:35,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:35,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:35,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:35,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:50:35,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:50:35,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:50:35,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:35,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:35,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:35,638 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:35,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 08:50:35,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 08:50:35,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:35,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:35,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:35,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:35,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:50:35,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:50:35,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:50:35,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:35,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:35,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:35,706 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:35,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 08:50:35,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:35,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:50:35,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:35,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:35,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:35,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:50:35,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:50:35,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 08:50:35,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:50:35,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:35,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:35,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:35,764 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:35,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 08:50:35,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 08:50:35,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:35,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:35,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:35,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:35,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:50:35,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:50:35,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:50:35,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:35,843 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:35,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:35,846 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:35,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 08:50:35,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:50:35,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:35,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:50:35,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:35,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:35,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:35,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:50:35,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:50:35,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:50:35,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:35,923 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:35,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:35,924 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:35,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 08:50:35,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 08:50:35,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:35,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:35,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:35,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:35,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:50:35,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:50:35,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:50:35,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:35,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:35,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:35,985 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:35,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 08:50:35,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:50:35,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:35,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:35,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:35,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:36,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:50:36,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:50:36,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:50:36,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-10-28 08:50:36,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:36,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:36,067 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:36,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:50:36,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:36,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:36,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:50:36,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:36,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:50:36,087 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:50:36,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 08:50:36,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:50:36,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:36,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:36,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:36,131 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:36,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 08:50:36,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 08:50:36,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:50:36,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:50:36,144 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 08:50:36,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:50:36,173 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-28 08:50:36,174 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 08:50:36,237 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:50:36,342 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-10-28 08:50:36,342 INFO L444 ModelExtractionUtils]: 37 out of 56 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-10-28 08:50:36,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:50:36,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:50:36,356 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:50:36,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 08:50:36,378 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:50:36,418 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2021-10-28 08:50:36,419 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:50:36,419 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cmemset_~d~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1) = -1*ULTIMATE.start_cmemset_~d~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1 Supporting invariants [] [2021-10-28 08:50:36,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 08:50:36,465 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2021-10-28 08:50:36,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:50:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:50:36,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 08:50:36,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:50:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:50:36,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 08:50:36,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:50:36,715 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 08:50:36,737 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-28 08:50:36,738 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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 2.25) internal successors, (9), 4 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 08:50:36,821 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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 2.25) internal successors, (9), 4 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) Result 29 states and 32 transitions. Complement of second has 7 states. [2021-10-28 08:50:36,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 08:50:36,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 08:50:36,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2021-10-28 08:50:36,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 6 letters. Loop has 3 letters. [2021-10-28 08:50:36,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:50:36,831 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 9 letters. Loop has 3 letters. [2021-10-28 08:50:36,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:50:36,832 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 6 letters. Loop has 6 letters. [2021-10-28 08:50:36,832 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:50:36,833 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 32 transitions. [2021-10-28 08:50:36,839 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:50:36,842 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2021-10-28 08:50:36,844 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 08:50:36,844 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 08:50:36,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 08:50:36,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:50:36,845 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:50:36,845 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:50:36,845 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:50:36,846 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 08:50:36,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:50:36,846 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:50:36,846 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 08:50:36,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 08:50:36 BoogieIcfgContainer [2021-10-28 08:50:36,854 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 08:50:36,855 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:50:36,855 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:50:36,855 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:50:36,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:50:32" (3/4) ... [2021-10-28 08:50:36,859 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 08:50:36,860 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:50:36,865 INFO L168 Benchmark]: Toolchain (without parser) took 5101.52 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 49.3 MB in the beginning and 79.6 MB in the end (delta: -30.3 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-10-28 08:50:36,865 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 67.0 MB in the beginning and 66.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:50:36,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.75 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.1 MB in the beginning and 75.8 MB in the end (delta: -26.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:50:36,868 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.63 ms. Allocated memory is still 104.9 MB. Free memory was 75.8 MB in the beginning and 74.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:50:36,875 INFO L168 Benchmark]: Boogie Preprocessor took 56.38 ms. Allocated memory is still 104.9 MB. Free memory was 74.2 MB in the beginning and 72.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:50:36,875 INFO L168 Benchmark]: RCFGBuilder took 344.71 ms. Allocated memory is still 104.9 MB. Free memory was 72.9 MB in the beginning and 63.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:50:36,876 INFO L168 Benchmark]: BuchiAutomizer took 3955.38 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 63.3 MB in the beginning and 79.6 MB in the end (delta: -16.3 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2021-10-28 08:50:36,877 INFO L168 Benchmark]: Witness Printer took 5.10 ms. Allocated memory is still 125.8 MB. Free memory is still 79.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:50:36,887 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 67.0 MB in the beginning and 66.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 655.75 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.1 MB in the beginning and 75.8 MB in the end (delta: -26.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.63 ms. Allocated memory is still 104.9 MB. Free memory was 75.8 MB in the beginning and 74.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.38 ms. Allocated memory is still 104.9 MB. Free memory was 74.2 MB in the beginning and 72.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 344.71 ms. Allocated memory is still 104.9 MB. Free memory was 72.9 MB in the beginning and 63.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3955.38 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 63.3 MB in the beginning and 79.6 MB in the end (delta: -16.3 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.10 ms. Allocated memory is still 125.8 MB. Free memory is still 79.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * d + unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 17 SDslu, 11 SDs, 0 SdLazy, 9 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital127 mio100 ax114 hnf98 lsp81 ukn93 mio100 lsp55 div100 bol100 ite100 ukn100 eq200 hnf89 smp100 dnf139 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 288ms VariablesStem: 10 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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 08:50:36,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-28 08:50:37,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9864eae8-1d96-422e-88c2-e6561b160d11/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...