./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strdup.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strdup.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f841d4506b3d54a4be8e374f288503808db05c122988e690b43155c57f381496 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:55:41,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:55:41,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:55:41,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:55:41,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:55:41,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:55:41,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:55:41,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:55:41,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:55:41,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:55:41,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:55:41,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:55:41,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:55:41,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:55:41,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:55:41,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:55:41,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:55:41,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:55:41,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:55:41,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:55:41,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:55:41,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:55:41,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:55:41,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:55:41,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:55:41,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:55:41,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:55:41,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:55:41,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:55:41,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:55:41,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:55:41,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:55:41,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:55:41,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:55:41,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:55:41,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:55:41,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:55:41,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:55:41,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:55:41,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:55:41,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:55:41,717 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 22:55:41,754 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:55:41,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:55:41,755 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:55:41,755 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:55:41,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:55:41,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:55:41,766 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:55:41,766 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 22:55:41,767 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 22:55:41,767 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 22:55:41,768 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 22:55:41,768 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 22:55:41,769 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 22:55:41,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:55:41,769 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:55:41,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:55:41,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:55:41,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 22:55:41,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 22:55:41,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 22:55:41,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:55:41,771 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 22:55:41,772 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:55:41,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 22:55:41,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:55:41,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:55:41,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:55:41,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:55:41,776 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:55:41,777 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 22:55:41,777 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_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f841d4506b3d54a4be8e374f288503808db05c122988e690b43155c57f381496 [2021-10-28 22:55:42,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:55:42,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:55:42,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:55:42,116 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:55:42,117 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:55:42,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-dietlibc/strdup.i [2021-10-28 22:55:42,237 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/data/1af61638c/d9043afb78124bd1a7c936528a0f27a3/FLAG36ebc9107 [2021-10-28 22:55:42,913 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:55:42,913 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/sv-benchmarks/c/termination-dietlibc/strdup.i [2021-10-28 22:55:42,930 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/data/1af61638c/d9043afb78124bd1a7c936528a0f27a3/FLAG36ebc9107 [2021-10-28 22:55:43,217 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/data/1af61638c/d9043afb78124bd1a7c936528a0f27a3 [2021-10-28 22:55:43,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:55:43,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:55:43,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:55:43,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:55:43,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:55:43,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:55:43" (1/1) ... [2021-10-28 22:55:43,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19227a93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:43, skipping insertion in model container [2021-10-28 22:55:43,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:55:43" (1/1) ... [2021-10-28 22:55:43,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:55:43,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:55:43,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:55:43,731 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:55:43,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:55:43,841 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:55:43,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:43 WrapperNode [2021-10-28 22:55:43,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:55:43,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:55:43,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:55:43,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:55:43,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:43" (1/1) ... [2021-10-28 22:55:43,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:43" (1/1) ... [2021-10-28 22:55:43,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:55:43,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:55:43,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:55:43,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:55:43,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:43" (1/1) ... [2021-10-28 22:55:43,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:43" (1/1) ... [2021-10-28 22:55:43,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:43" (1/1) ... [2021-10-28 22:55:43,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:43" (1/1) ... [2021-10-28 22:55:43,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:43" (1/1) ... [2021-10-28 22:55:43,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:43" (1/1) ... [2021-10-28 22:55:43,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:43" (1/1) ... [2021-10-28 22:55:43,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:55:43,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:55:43,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:55:43,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:55:43,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:43" (1/1) ... [2021-10-28 22:55:44,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:44,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:44,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:44,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 22:55:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 22:55:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 22:55:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 22:55:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:55:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 22:55:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:55:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:55:44,536 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:55:44,537 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-28 22:55:44,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:55:44 BoogieIcfgContainer [2021-10-28 22:55:44,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:55:44,541 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 22:55:44,541 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 22:55:44,559 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 22:55:44,560 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:55:44,560 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:55:43" (1/3) ... [2021-10-28 22:55:44,562 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d3e2370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:55:44, skipping insertion in model container [2021-10-28 22:55:44,562 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:55:44,562 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:55:43" (2/3) ... [2021-10-28 22:55:44,577 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d3e2370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:55:44, skipping insertion in model container [2021-10-28 22:55:44,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:55:44,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:55:44" (3/3) ... [2021-10-28 22:55:44,579 INFO L389 chiAutomizerObserver]: Analyzing ICFG strdup.i [2021-10-28 22:55:44,643 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 22:55:44,644 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 22:55:44,644 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 22:55:44,644 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 22:55:44,644 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 22:55:44,644 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 22:55:44,645 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 22:55:44,645 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 22:55:44,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 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 22:55:44,688 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 22:55:44,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:55:44,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:55:44,696 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 22:55:44,697 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:55:44,697 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 22:55:44,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 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 22:55:44,700 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-28 22:55:44,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:55:44,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:55:44,701 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 22:55:44,701 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 22:55:44,708 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 5#L-1true havoc main_#res;havoc main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset;main_~in_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 11#L528true assume !(main_~in_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);strdup_#in~s.base, strdup_#in~s.offset := main_~in~0.base, main_~in~0.offset;havoc strdup_#res.base, strdup_#res.offset;havoc strdup_#t~ret9, strdup_#t~malloc10.base, strdup_#t~malloc10.offset, strdup_#t~ret11.base, strdup_#t~ret11.offset, strdup_~s.base, strdup_~s.offset, strdup_~l~0, strdup_~tmp~0.base, strdup_~tmp~0.offset;strdup_~s.base, strdup_~s.offset := strdup_#in~s.base, strdup_#in~s.offset;strlen_#in~s.base, strlen_#in~s.offset := strdup_~s.base, strdup_~s.offset;havoc strlen_#res;havoc strlen_#t~pre7, strlen_#t~pre6.base, strlen_#t~pre6.offset, strlen_#t~mem8, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 17#L516true assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 14#L517-4true [2021-10-28 22:55:44,709 INFO L793 eck$LassoCheckResult]: Loop: 14#L517-4true call strlen_#t~mem8 := read~int(strlen_~s.base, strlen_~s.offset, 1); 7#L517-1true assume !!(0 != strlen_#t~mem8);havoc strlen_#t~mem8;strlen_#t~pre7 := 1 + strlen_~i~0;strlen_~i~0 := 1 + strlen_~i~0;havoc strlen_#t~pre7; 15#L517-3true strlen_#t~pre6.base, strlen_#t~pre6.offset := strlen_~s.base, 1 + strlen_~s.offset;strlen_~s.base, strlen_~s.offset := strlen_~s.base, 1 + strlen_~s.offset;havoc strlen_#t~pre6.base, strlen_#t~pre6.offset; 14#L517-4true [2021-10-28 22:55:44,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:44,717 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-10-28 22:55:44,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:55:44,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166990374] [2021-10-28 22:55:44,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:44,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:55:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:55:44,862 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:55:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:55:44,916 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:55:44,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:44,920 INFO L85 PathProgramCache]: Analyzing trace with hash 45841, now seen corresponding path program 1 times [2021-10-28 22:55:44,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:55:44,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971597814] [2021-10-28 22:55:44,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:44,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:55:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:55:44,933 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:55:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:55:44,944 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:55:44,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:44,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1806906826, now seen corresponding path program 1 times [2021-10-28 22:55:44,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:55:44,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385004763] [2021-10-28 22:55:44,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:44,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:55:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:55:44,982 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:55:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:55:45,057 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:55:45,789 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:55:45,790 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:55:45,790 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:55:45,791 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:55:45,791 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:55:45,791 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:45,791 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:55:45,792 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:55:45,792 INFO L133 ssoRankerPreferences]: Filename of dumped script: strdup.i_Iteration1_Lasso [2021-10-28 22:55:45,792 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:55:45,792 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:55:45,829 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 22:55:45,838 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 22:55:45,843 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 22:55:45,846 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 22:55:45,849 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 22:55:45,854 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 22:55:45,859 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 22:55:45,862 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 22:55:45,866 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 22:55:45,873 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 22:55:45,879 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 22:55:45,883 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 22:55:45,887 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 22:55:45,890 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 22:55:45,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:55:45,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:55:45,898 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 22:55:45,902 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 22:55:45,905 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 22:55:46,189 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 22:55:46,192 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 22:55:46,200 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 22:55:46,203 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 22:55:46,694 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:55:46,700 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:55:46,702 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:46,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:46,705 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:46,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:46,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:46,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:46,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:46,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:46,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:46,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:46,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:46,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 22:55:46,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:46,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:46,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:46,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:46,808 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:46,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:46,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 22:55:46,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:46,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:46,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:46,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:46,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:46,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:46,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:46,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:46,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:46,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:46,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:46,893 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:46,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:46,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:46,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:46,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:46,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:46,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:46,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:46,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:46,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 22:55:46,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:46,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:46,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:46,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:46,983 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:46,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:47,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:47,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:47,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:47,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:47,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:47,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:47,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:47,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 22:55:47,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:47,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-28 22:55:47,048 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:47,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:47,049 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:47,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 22:55:47,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:47,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:47,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:47,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:47,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:47,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:47,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:47,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:47,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:47,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:47,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:47,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:47,093 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:47,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 22:55:47,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:47,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:47,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:47,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:47,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:47,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:55:47,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:55:47,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:47,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:47,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:47,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:47,180 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:47,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 22:55:47,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:47,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:47,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:47,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:47,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:47,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:47,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:47,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:47,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:47,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:47,240 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:47,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:47,241 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:47,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 22:55:47,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:55:47,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:47,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:47,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:47,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:47,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:47,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:47,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:47,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:47,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-28 22:55:47,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:47,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:47,288 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:47,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 22:55:47,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:55:47,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:47,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:47,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:47,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:47,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:55:47,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:55:47,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:47,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:47,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:47,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:47,370 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:47,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 22:55:47,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:47,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:47,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:47,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:47,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:47,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:55:47,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:55:47,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:47,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:47,428 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:47,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:47,429 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:47,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:47,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 22:55:47,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:47,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:47,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:47,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:47,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:47,444 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:47,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:47,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:47,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:47,506 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:47,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:47,507 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:47,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 22:55:47,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:47,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:47,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:47,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:47,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:47,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:47,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:47,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:47,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:47,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:47,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:47,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:47,554 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:47,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 22:55:47,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:47,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:47,568 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:47,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:47,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:47,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:47,569 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:47,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:47,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:47,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:47,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:47,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:47,597 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:47,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 22:55:47,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:47,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:47,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:47,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:47,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:47,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:47,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:47,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:47,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:47,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:47,662 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:47,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:47,663 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:47,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 22:55:47,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:55:47,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:47,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:47,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:47,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:47,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:47,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:47,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:47,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:47,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:47,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:47,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:47,706 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:47,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 22:55:47,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:47,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:47,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:47,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:47,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:47,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:47,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:47,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:47,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:47,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:47,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:47,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:47,788 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:47,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:47,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:47,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:47,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:47,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:47,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:47,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 22:55:47,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:47,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:47,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:47,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:47,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:47,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:47,846 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:47,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 22:55:47,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:47,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:47,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:47,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:47,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:47,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:47,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:47,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:47,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:47,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:47,904 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:47,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:47,905 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:47,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 22:55:47,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:47,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:47,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:47,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:47,922 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 22:55:47,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:47,923 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 22:55:47,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:47,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:47,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:47,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:47,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:47,954 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:47,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 22:55:47,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:47,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:47,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:47,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:47,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:47,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:55:47,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:55:48,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:48,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:48,038 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:48,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:48,040 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:48,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 22:55:48,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:55:48,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:48,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:48,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:48,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:48,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:55:48,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:55:48,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:48,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:48,126 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:48,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:48,128 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:48,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:48,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:48,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:48,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:48,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:48,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 22:55:48,163 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:55:48,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:55:48,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:48,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:48,231 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:48,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:48,235 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:48,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:48,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:48,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:48,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:48,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:48,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:55:48,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:55:48,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 22:55:48,296 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:55:48,355 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-28 22:55:48,356 INFO L444 ModelExtractionUtils]: 8 out of 31 variables were initially zero. Simplification set additionally 20 variables to zero. [2021-10-28 22:55:48,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:48,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:48,379 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:48,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 22:55:48,428 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:55:48,456 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 22:55:48,457 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:55:48,457 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlen_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1) = -1*ULTIMATE.start_strlen_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_1 Supporting invariants [] [2021-10-28 22:55:48,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:48,532 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2021-10-28 22:55:48,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:55:48,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 22:55:48,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:55:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:55:48,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 22:55:48,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:55:48,735 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 22:55:48,769 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 22:55:48,771 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:48,879 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 57 transitions. Complement of second has 7 states. [2021-10-28 22:55:48,880 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 22:55:48,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:48,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2021-10-28 22:55:48,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 3 letters. [2021-10-28 22:55:48,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:55:48,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 7 letters. Loop has 3 letters. [2021-10-28 22:55:48,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:55:48,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 6 letters. [2021-10-28 22:55:48,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:55:48,886 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 57 transitions. [2021-10-28 22:55:48,890 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 22:55:48,894 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 18 states and 21 transitions. [2021-10-28 22:55:48,895 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-28 22:55:48,895 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-10-28 22:55:48,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-10-28 22:55:48,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:55:48,896 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-28 22:55:48,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-10-28 22:55:48,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 14. [2021-10-28 22:55:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:48,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2021-10-28 22:55:48,919 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-10-28 22:55:48,919 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-10-28 22:55:48,920 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 22:55:48,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2021-10-28 22:55:48,921 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:55:48,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:55:48,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:55:48,921 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 22:55:48,921 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:55:48,922 INFO L791 eck$LassoCheckResult]: Stem: 134#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 135#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset;main_~in_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 132#L528 assume !(main_~in_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);strdup_#in~s.base, strdup_#in~s.offset := main_~in~0.base, main_~in~0.offset;havoc strdup_#res.base, strdup_#res.offset;havoc strdup_#t~ret9, strdup_#t~malloc10.base, strdup_#t~malloc10.offset, strdup_#t~ret11.base, strdup_#t~ret11.offset, strdup_~s.base, strdup_~s.offset, strdup_~l~0, strdup_~tmp~0.base, strdup_~tmp~0.offset;strdup_~s.base, strdup_~s.offset := strdup_#in~s.base, strdup_#in~s.offset;strlen_#in~s.base, strlen_#in~s.offset := strdup_~s.base, strdup_~s.offset;havoc strlen_#res;havoc strlen_#t~pre7, strlen_#t~pre6.base, strlen_#t~pre6.offset, strlen_#t~mem8, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 133#L516 assume strlen_~s.base == 0 && strlen_~s.offset == 0;strlen_#res := 0; 144#L518 strdup_#t~ret9 := strlen_#res;strdup_~l~0 := 1 + strdup_#t~ret9;havoc strdup_#t~ret9;call strdup_#t~malloc10.base, strdup_#t~malloc10.offset := #Ultimate.allocOnHeap(strdup_~l~0);strdup_~tmp~0.base, strdup_~tmp~0.offset := strdup_#t~malloc10.base, strdup_#t~malloc10.offset;havoc strdup_#t~malloc10.base, strdup_#t~malloc10.offset; 136#L523 assume !(strdup_~tmp~0.base == 0 && strdup_~tmp~0.offset == 0);memcpy_#in~dst.base, memcpy_#in~dst.offset, memcpy_#in~src.base, memcpy_#in~src.offset, memcpy_#in~n := strdup_~tmp~0.base, strdup_~tmp~0.offset, strdup_~s.base, strdup_~s.offset, strdup_~l~0;havoc memcpy_#res.base, memcpy_#res.offset;havoc memcpy_#t~post3.base, memcpy_#t~post3.offset, memcpy_#t~post4.base, memcpy_#t~post4.offset, memcpy_#t~mem5, memcpy_#t~post2, memcpy_~dst.base, memcpy_~dst.offset, memcpy_~src.base, memcpy_~src.offset, memcpy_~n, memcpy_~res~0.base, memcpy_~res~0.offset, memcpy_~c1~0.base, memcpy_~c1~0.offset, memcpy_~c2~0.base, memcpy_~c2~0.offset;memcpy_~dst.base, memcpy_~dst.offset := memcpy_#in~dst.base, memcpy_#in~dst.offset;memcpy_~src.base, memcpy_~src.offset := memcpy_#in~src.base, memcpy_#in~src.offset;memcpy_~n := memcpy_#in~n;memcpy_~res~0.base, memcpy_~res~0.offset := memcpy_~dst.base, memcpy_~dst.offset;havoc memcpy_~c1~0.base, memcpy_~c1~0.offset;havoc memcpy_~c2~0.base, memcpy_~c2~0.offset;memcpy_~c1~0.base, memcpy_~c1~0.offset := memcpy_~dst.base, memcpy_~dst.offset;memcpy_~c2~0.base, memcpy_~c2~0.offset := memcpy_~src.base, memcpy_~src.offset; 137#L511-3 [2021-10-28 22:55:48,922 INFO L793 eck$LassoCheckResult]: Loop: 137#L511-3 memcpy_#t~post2 := memcpy_~n;memcpy_~n := memcpy_#t~post2 - 1; 145#L511-1 assume !!(0 != memcpy_#t~post2);havoc memcpy_#t~post2;memcpy_#t~post3.base, memcpy_#t~post3.offset := memcpy_~c1~0.base, memcpy_~c1~0.offset;memcpy_~c1~0.base, memcpy_~c1~0.offset := memcpy_#t~post3.base, 1 + memcpy_#t~post3.offset;memcpy_#t~post4.base, memcpy_#t~post4.offset := memcpy_~c2~0.base, memcpy_~c2~0.offset;memcpy_~c2~0.base, memcpy_~c2~0.offset := memcpy_#t~post4.base, 1 + memcpy_#t~post4.offset;call memcpy_#t~mem5 := read~int(memcpy_#t~post4.base, memcpy_#t~post4.offset, 1);call write~int(memcpy_#t~mem5, memcpy_#t~post3.base, memcpy_#t~post3.offset, 1);havoc memcpy_#t~post3.base, memcpy_#t~post3.offset;havoc memcpy_#t~post4.base, memcpy_#t~post4.offset;havoc memcpy_#t~mem5; 137#L511-3 [2021-10-28 22:55:48,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:48,923 INFO L85 PathProgramCache]: Analyzing trace with hash 889569803, now seen corresponding path program 1 times [2021-10-28 22:55:48,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:55:48,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719652283] [2021-10-28 22:55:48,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:48,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:55:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:55:48,995 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 22:55:48,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:55:48,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719652283] [2021-10-28 22:55:48,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719652283] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:55:48,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:55:48,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:55:48,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771791434] [2021-10-28 22:55:49,000 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 22:55:49,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:49,001 INFO L85 PathProgramCache]: Analyzing trace with hash 2214, now seen corresponding path program 1 times [2021-10-28 22:55:49,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:55:49,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316972165] [2021-10-28 22:55:49,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:49,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:55:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:55:49,013 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:55:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:55:49,025 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:55:49,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:55:49,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:55:49,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:55:49,174 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:55:49,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:55:49,194 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2021-10-28 22:55:49,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:55:49,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2021-10-28 22:55:49,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:55:49,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 16 transitions. [2021-10-28 22:55:49,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-28 22:55:49,201 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-28 22:55:49,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2021-10-28 22:55:49,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 22:55:49,201 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-10-28 22:55:49,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2021-10-28 22:55:49,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-10-28 22:55:49,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 13 states have internal predecessors, (16), 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 22:55:49,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2021-10-28 22:55:49,205 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-10-28 22:55:49,205 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-10-28 22:55:49,206 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 22:55:49,206 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 16 transitions. [2021-10-28 22:55:49,207 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 22:55:49,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:55:49,208 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:55:49,210 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:55:49,211 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 22:55:49,211 INFO L791 eck$LassoCheckResult]: Stem: 168#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 169#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset;main_~in_len~0 := main_#t~nondet12;havoc main_#t~nondet12; 166#L528 assume !(main_~in_len~0 < 1);call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);strdup_#in~s.base, strdup_#in~s.offset := main_~in~0.base, main_~in~0.offset;havoc strdup_#res.base, strdup_#res.offset;havoc strdup_#t~ret9, strdup_#t~malloc10.base, strdup_#t~malloc10.offset, strdup_#t~ret11.base, strdup_#t~ret11.offset, strdup_~s.base, strdup_~s.offset, strdup_~l~0, strdup_~tmp~0.base, strdup_~tmp~0.offset;strdup_~s.base, strdup_~s.offset := strdup_#in~s.base, strdup_#in~s.offset;strlen_#in~s.base, strlen_#in~s.offset := strdup_~s.base, strdup_~s.offset;havoc strlen_#res;havoc strlen_#t~pre7, strlen_#t~pre6.base, strlen_#t~pre6.offset, strlen_#t~mem8, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 167#L516 assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 172#L517-4 call strlen_#t~mem8 := read~int(strlen_~s.base, strlen_~s.offset, 1); 174#L517-1 assume !(0 != strlen_#t~mem8);havoc strlen_#t~mem8; 176#L517-5 strlen_#res := strlen_~i~0; 178#L518 strdup_#t~ret9 := strlen_#res;strdup_~l~0 := 1 + strdup_#t~ret9;havoc strdup_#t~ret9;call strdup_#t~malloc10.base, strdup_#t~malloc10.offset := #Ultimate.allocOnHeap(strdup_~l~0);strdup_~tmp~0.base, strdup_~tmp~0.offset := strdup_#t~malloc10.base, strdup_#t~malloc10.offset;havoc strdup_#t~malloc10.base, strdup_#t~malloc10.offset; 170#L523 assume !(strdup_~tmp~0.base == 0 && strdup_~tmp~0.offset == 0);memcpy_#in~dst.base, memcpy_#in~dst.offset, memcpy_#in~src.base, memcpy_#in~src.offset, memcpy_#in~n := strdup_~tmp~0.base, strdup_~tmp~0.offset, strdup_~s.base, strdup_~s.offset, strdup_~l~0;havoc memcpy_#res.base, memcpy_#res.offset;havoc memcpy_#t~post3.base, memcpy_#t~post3.offset, memcpy_#t~post4.base, memcpy_#t~post4.offset, memcpy_#t~mem5, memcpy_#t~post2, memcpy_~dst.base, memcpy_~dst.offset, memcpy_~src.base, memcpy_~src.offset, memcpy_~n, memcpy_~res~0.base, memcpy_~res~0.offset, memcpy_~c1~0.base, memcpy_~c1~0.offset, memcpy_~c2~0.base, memcpy_~c2~0.offset;memcpy_~dst.base, memcpy_~dst.offset := memcpy_#in~dst.base, memcpy_#in~dst.offset;memcpy_~src.base, memcpy_~src.offset := memcpy_#in~src.base, memcpy_#in~src.offset;memcpy_~n := memcpy_#in~n;memcpy_~res~0.base, memcpy_~res~0.offset := memcpy_~dst.base, memcpy_~dst.offset;havoc memcpy_~c1~0.base, memcpy_~c1~0.offset;havoc memcpy_~c2~0.base, memcpy_~c2~0.offset;memcpy_~c1~0.base, memcpy_~c1~0.offset := memcpy_~dst.base, memcpy_~dst.offset;memcpy_~c2~0.base, memcpy_~c2~0.offset := memcpy_~src.base, memcpy_~src.offset; 171#L511-3 [2021-10-28 22:55:49,211 INFO L793 eck$LassoCheckResult]: Loop: 171#L511-3 memcpy_#t~post2 := memcpy_~n;memcpy_~n := memcpy_#t~post2 - 1; 179#L511-1 assume !!(0 != memcpy_#t~post2);havoc memcpy_#t~post2;memcpy_#t~post3.base, memcpy_#t~post3.offset := memcpy_~c1~0.base, memcpy_~c1~0.offset;memcpy_~c1~0.base, memcpy_~c1~0.offset := memcpy_#t~post3.base, 1 + memcpy_#t~post3.offset;memcpy_#t~post4.base, memcpy_#t~post4.offset := memcpy_~c2~0.base, memcpy_~c2~0.offset;memcpy_~c2~0.base, memcpy_~c2~0.offset := memcpy_#t~post4.base, 1 + memcpy_#t~post4.offset;call memcpy_#t~mem5 := read~int(memcpy_#t~post4.base, memcpy_#t~post4.offset, 1);call write~int(memcpy_#t~mem5, memcpy_#t~post3.base, memcpy_#t~post3.offset, 1);havoc memcpy_#t~post3.base, memcpy_#t~post3.offset;havoc memcpy_#t~post4.base, memcpy_#t~post4.offset;havoc memcpy_#t~mem5; 171#L511-3 [2021-10-28 22:55:49,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:49,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1270617397, now seen corresponding path program 1 times [2021-10-28 22:55:49,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:55:49,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093762440] [2021-10-28 22:55:49,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:49,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:55:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:55:49,279 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:55:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:55:49,332 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:55:49,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:49,343 INFO L85 PathProgramCache]: Analyzing trace with hash 2214, now seen corresponding path program 2 times [2021-10-28 22:55:49,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:55:49,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192869341] [2021-10-28 22:55:49,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:49,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:55:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:55:49,355 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:55:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:55:49,372 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:55:49,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:49,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1292607706, now seen corresponding path program 1 times [2021-10-28 22:55:49,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:55:49,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860107935] [2021-10-28 22:55:49,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:55:49,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:55:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:55:49,408 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:55:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:55:49,445 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:55:50,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:50,839 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 22:55:50,840 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 22:55:50,840 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 22:55:50,840 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 22:55:50,840 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 22:55:50,840 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:50,840 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 22:55:50,840 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 22:55:50,840 INFO L133 ssoRankerPreferences]: Filename of dumped script: strdup.i_Iteration3_Lasso [2021-10-28 22:55:50,840 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 22:55:50,840 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 22:55:50,857 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 22:55:50,861 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 22:55:50,864 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 22:55:50,866 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 22:55:50,869 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 22:55:50,872 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 22:55:50,875 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 22:55:50,877 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 22:55:50,880 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 22:55:50,882 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 22:55:50,885 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 22:55:50,888 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 22:55:50,890 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 22:55:50,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:55:50,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 22:55:50,897 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 22:55:50,900 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 22:55:50,902 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 22:55:51,753 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 22:55:51,756 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 22:55:51,759 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 22:55:51,761 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 22:55:51,764 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 22:55:51,767 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 22:55:51,769 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 22:55:51,772 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 22:55:53,222 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 22:55:53,232 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 22:55:53,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:53,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:53,237 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:53,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:55:53,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:53,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:53,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:53,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:53,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:53,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:53,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:53,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 22:55:53,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:53,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:53,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:53,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:53,311 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:53,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 22:55:53,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:53,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:53,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:53,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:53,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:53,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:53,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:53,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:53,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:53,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:53,373 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:53,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:53,375 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:53,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 22:55:53,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:55:53,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:53,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:53,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:53,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:53,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:53,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:53,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:53,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:53,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:53,459 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:53,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:53,465 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:53,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:53,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:53,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:53,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:53,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:53,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:53,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:53,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:53,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 22:55:53,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:53,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:53,529 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:53,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:53,529 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:53,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 22:55:53,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:53,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:53,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:53,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:53,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:53,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:53,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:53,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:53,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:53,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-28 22:55:53,570 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:53,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:53,571 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:53,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 22:55:53,572 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 22:55:53,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:53,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:53,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:53,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:53,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:55:53,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:55:53,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:53,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:53,616 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:53,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:53,617 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:53,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 22:55:53,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:53,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:53,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:53,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:53,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:53,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:53,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:53,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:53,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:53,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-28 22:55:53,655 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:53,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:53,656 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:53,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 22:55:53,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:53,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:53,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:53,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:53,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:53,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:53,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:53,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:53,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:53,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:53,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:53,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:53,698 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:53,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 22:55:53,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:53,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:53,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:53,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:53,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:53,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:53,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:53,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:53,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:53,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:53,790 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:53,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:53,793 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:53,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:53,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:53,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:53,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:53,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:53,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:53,810 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:53,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:53,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 22:55:53,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:53,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:53,866 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:53,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:53,869 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:53,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:53,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:53,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:53,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:53,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:53,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:53,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:53,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:53,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 22:55:53,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:53,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:53,945 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:53,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:53,947 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:53,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:53,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:53,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:53,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:53,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:53,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:53,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:53,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:53,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 22:55:53,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:54,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:54,022 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:54,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:54,024 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:54,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:54,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:54,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:54,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:54,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:54,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:54,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:54,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:54,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 22:55:54,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:54,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-28 22:55:54,096 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:54,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:54,097 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:54,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 22:55:54,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:54,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:54,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:54,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:54,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:54,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:54,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:54,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:54,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:54,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:54,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:54,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:54,146 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:54,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 22:55:54,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:54,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:54,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:54,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:54,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:54,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:54,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:54,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:54,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:54,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-28 22:55:54,189 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:54,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:54,189 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:54,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 22:55:54,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:55:54,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:54,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:54,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:54,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:54,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:55:54,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:55:54,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:54,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-28 22:55:54,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:54,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:54,233 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:54,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 22:55:54,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:54,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:54,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:54,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:54,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:54,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:54,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:54,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:54,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:54,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:54,270 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:54,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:54,271 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:54,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 22:55:54,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:54,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:54,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 22:55:54,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:54,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:54,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:54,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 22:55:54,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 22:55:54,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:54,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-28 22:55:54,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:54,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:54,317 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:54,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 22:55:54,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:54,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:54,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:54,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:54,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:54,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:55:54,353 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:55:54,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:54,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:54,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:54,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:54,422 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:54,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:54,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:54,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:54,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:54,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:54,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:55:54,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:55:54,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 22:55:54,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:54,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:54,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:54,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:54,505 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:54,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:54,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 22:55:54,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:54,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:54,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:54,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:54,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:55:54,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:55:54,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:54,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:54,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:54,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:54,584 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:54,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 22:55:54,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 22:55:54,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:54,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:54,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:54,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:54,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:55:54,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:55:54,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:54,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:54,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:54,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:54,673 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:54,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:55:54,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:54,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:54,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 22:55:54,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:54,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 22:55:54,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 22:55:54,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 22:55:54,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 22:55:54,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:54,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:54,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:54,761 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:54,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 22:55:54,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 22:55:54,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 22:55:54,777 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 22:55:54,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 22:55:54,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 22:55:54,849 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-10-28 22:55:54,850 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 22:55:54,980 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 22:55:55,426 INFO L443 ModelExtractionUtils]: Simplification made 39 calls to the SMT solver. [2021-10-28 22:55:55,427 INFO L444 ModelExtractionUtils]: 79 out of 121 variables were initially zero. Simplification set additionally 39 variables to zero. [2021-10-28 22:55:55,427 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:55:55,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:55:55,428 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:55:55,430 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 22:55:55,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 22:55:55,456 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2021-10-28 22:55:55,456 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 22:55:55,456 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_strdup_~tmp~0.base)_1, ULTIMATE.start_memcpy_~c2~0.offset) = 1*v_rep(select #length ULTIMATE.start_strdup_~tmp~0.base)_1 - 1*ULTIMATE.start_memcpy_~c2~0.offset Supporting invariants [] [2021-10-28 22:55:55,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:55,583 INFO L297 tatePredicateManager]: 16 out of 18 supporting invariants were superfluous and have been removed [2021-10-28 22:55:55,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:55:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:55:55,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-28 22:55:55,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:55:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:55:55,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 22:55:55,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:55:55,864 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 22:55:55,866 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 1 loop predicates [2021-10-28 22:55:55,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 22:55:55,867 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 16 transitions. cyclomatic complexity: 4 Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 22:55:55,989 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 16 transitions. cyclomatic complexity: 4. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 22 states and 25 transitions. Complement of second has 8 states. [2021-10-28 22:55:55,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 5 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 22:55:55,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 22:55:55,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 20 transitions. [2021-10-28 22:55:55,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-28 22:55:55,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:55:55,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 11 letters. Loop has 2 letters. [2021-10-28 22:55:55,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:55:55,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 9 letters. Loop has 4 letters. [2021-10-28 22:55:55,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 22:55:55,991 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2021-10-28 22:55:55,992 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:55:55,992 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2021-10-28 22:55:55,993 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 22:55:55,993 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 22:55:55,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 22:55:55,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:55:55,993 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:55:55,993 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:55:55,994 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:55:55,994 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 22:55:55,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:55:55,994 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:55:55,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 22:55:56,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 10:55:56 BoogieIcfgContainer [2021-10-28 22:55:56,002 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 22:55:56,002 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:55:56,002 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:55:56,003 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:55:56,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:55:44" (3/4) ... [2021-10-28 22:55:56,007 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 22:55:56,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:55:56,009 INFO L168 Benchmark]: Toolchain (without parser) took 12785.32 ms. Allocated memory was 123.7 MB in the beginning and 153.1 MB in the end (delta: 29.4 MB). Free memory was 89.5 MB in the beginning and 110.1 MB in the end (delta: -20.5 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-10-28 22:55:56,010 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory was 42.6 MB in the beginning and 42.6 MB in the end (delta: 40.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:55:56,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.16 ms. Allocated memory is still 123.7 MB. Free memory was 89.3 MB in the beginning and 94.0 MB in the end (delta: -4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:55:56,011 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.35 ms. Allocated memory is still 123.7 MB. Free memory was 94.0 MB in the beginning and 91.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:55:56,011 INFO L168 Benchmark]: Boogie Preprocessor took 75.62 ms. Allocated memory is still 123.7 MB. Free memory was 91.9 MB in the beginning and 90.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:55:56,012 INFO L168 Benchmark]: RCFGBuilder took 550.34 ms. Allocated memory is still 123.7 MB. Free memory was 90.7 MB in the beginning and 79.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 22:55:56,012 INFO L168 Benchmark]: BuchiAutomizer took 11460.89 ms. Allocated memory was 123.7 MB in the beginning and 153.1 MB in the end (delta: 29.4 MB). Free memory was 79.4 MB in the beginning and 111.1 MB in the end (delta: -31.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:55:56,013 INFO L168 Benchmark]: Witness Printer took 4.86 ms. Allocated memory is still 153.1 MB. Free memory was 111.1 MB in the beginning and 110.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:55:56,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory was 42.6 MB in the beginning and 42.6 MB in the end (delta: 40.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 617.16 ms. Allocated memory is still 123.7 MB. Free memory was 89.3 MB in the beginning and 94.0 MB in the end (delta: -4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.35 ms. Allocated memory is still 123.7 MB. Free memory was 94.0 MB in the beginning and 91.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.62 ms. Allocated memory is still 123.7 MB. Free memory was 91.9 MB in the beginning and 90.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 550.34 ms. Allocated memory is still 123.7 MB. Free memory was 90.7 MB in the beginning and 79.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 11460.89 ms. Allocated memory was 123.7 MB in the beginning and 153.1 MB in the end (delta: 29.4 MB). Free memory was 79.4 MB in the beginning and 111.1 MB in the end (delta: -31.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.86 ms. Allocated memory is still 153.1 MB. Free memory was 111.1 MB in the beginning and 110.1 MB in the end (delta: 1.0 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * s and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[tmp] + -1 * c2 and consists of 7 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 10.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 35 SDtfs, 48 SDslu, 21 SDs, 0 SdLazy, 26 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital195 mio100 ax100 hnf100 lsp93 ukn94 mio100 lsp49 div100 bol100 ite100 ukn100 eq197 hnf88 smp95 dnf118 smp100 tf100 neg99 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 699ms VariablesStem: 23 VariablesLoop: 13 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 22:55:56,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1b3051f-95ef-4a2b-8f37-c56269c2d925/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...