./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/Addition02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Addition02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c0bb97f0ddc8ff8c6b996d7f7598b56ed37dc2a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:10:41,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:10:41,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:10:41,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:10:41,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:10:41,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:10:41,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:10:41,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:10:41,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:10:41,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:10:41,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:10:41,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:10:41,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:10:41,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:10:41,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:10:41,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:10:41,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:10:41,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:10:41,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:10:41,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:10:41,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:10:41,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:10:41,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:10:41,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:10:41,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:10:41,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:10:41,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:10:41,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:10:41,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:10:41,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:10:41,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:10:41,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:10:41,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:10:41,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:10:41,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:10:41,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:10:41,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:10:41,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:10:41,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:10:41,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:10:41,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:10:41,783 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-15 19:10:41,833 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:10:41,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:10:41,834 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:10:41,835 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:10:41,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:10:41,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:10:41,837 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:10:41,837 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 19:10:41,837 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 19:10:41,837 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 19:10:41,838 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 19:10:41,838 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 19:10:41,838 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 19:10:41,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:10:41,839 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:10:41,839 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 19:10:41,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:10:41,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:10:41,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:10:41,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 19:10:41,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 19:10:41,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 19:10:41,841 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:10:41,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:10:41,842 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 19:10:41,842 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:10:41,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 19:10:41,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:10:41,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:10:41,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:10:41,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:10:41,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:10:41,845 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 19:10:41,846 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_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c0bb97f0ddc8ff8c6b996d7f7598b56ed37dc2a [2021-10-15 19:10:42,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:10:42,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:10:42,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:10:42,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:10:42,214 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:10:42,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive/Addition02.c [2021-10-15 19:10:42,322 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/data/c6514460b/bb86b41439f44635b7c92883c5e0f946/FLAG5ac892a8c [2021-10-15 19:10:42,866 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:10:42,866 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/sv-benchmarks/c/recursive/Addition02.c [2021-10-15 19:10:42,873 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/data/c6514460b/bb86b41439f44635b7c92883c5e0f946/FLAG5ac892a8c [2021-10-15 19:10:43,232 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/data/c6514460b/bb86b41439f44635b7c92883c5e0f946 [2021-10-15 19:10:43,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:10:43,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:10:43,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:10:43,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:10:43,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:10:43,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:10:43" (1/1) ... [2021-10-15 19:10:43,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f7d580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:43, skipping insertion in model container [2021-10-15 19:10:43,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:10:43" (1/1) ... [2021-10-15 19:10:43,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:10:43,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:10:43,475 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/sv-benchmarks/c/recursive/Addition02.c[1124,1137] [2021-10-15 19:10:43,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:10:43,488 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:10:43,533 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/sv-benchmarks/c/recursive/Addition02.c[1124,1137] [2021-10-15 19:10:43,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:10:43,562 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:10:43,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:43 WrapperNode [2021-10-15 19:10:43,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:10:43,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:10:43,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:10:43,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:10:43,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:43" (1/1) ... [2021-10-15 19:10:43,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:43" (1/1) ... [2021-10-15 19:10:43,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:10:43,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:10:43,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:10:43,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:10:43,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:43" (1/1) ... [2021-10-15 19:10:43,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:43" (1/1) ... [2021-10-15 19:10:43,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:43" (1/1) ... [2021-10-15 19:10:43,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:43" (1/1) ... [2021-10-15 19:10:43,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:43" (1/1) ... [2021-10-15 19:10:43,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:43" (1/1) ... [2021-10-15 19:10:43,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:43" (1/1) ... [2021-10-15 19:10:43,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:10:43,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:10:43,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:10:43,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:10:43,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:43" (1/1) ... [2021-10-15 19:10:43,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:43,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:43,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:43,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 19:10:43,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:10:43,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:10:43,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:10:43,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:10:43,792 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2021-10-15 19:10:43,792 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2021-10-15 19:10:44,056 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:10:44,057 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 19:10:44,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:10:44 BoogieIcfgContainer [2021-10-15 19:10:44,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:10:44,061 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 19:10:44,061 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 19:10:44,065 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 19:10:44,066 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:10:44,066 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 07:10:43" (1/3) ... [2021-10-15 19:10:44,081 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e8d99b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:10:44, skipping insertion in model container [2021-10-15 19:10:44,081 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:10:44,081 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:10:43" (2/3) ... [2021-10-15 19:10:44,082 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e8d99b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:10:44, skipping insertion in model container [2021-10-15 19:10:44,082 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:10:44,082 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:10:44" (3/3) ... [2021-10-15 19:10:44,084 INFO L389 chiAutomizerObserver]: Analyzing ICFG Addition02.c [2021-10-15 19:10:44,147 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 19:10:44,148 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 19:10:44,148 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 19:10:44,148 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 19:10:44,148 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 19:10:44,149 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 19:10:44,149 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 19:10:44,149 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 19:10:44,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-15 19:10:44,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-15 19:10:44,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:10:44,236 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:10:44,245 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-15 19:10:44,260 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 19:10:44,260 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 19:10:44,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-15 19:10:44,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-15 19:10:44,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:10:44,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:10:44,267 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-15 19:10:44,272 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-15 19:10:44,286 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 11#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~nondet10, main_#t~ret11, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet9;havoc main_#t~nondet9; 6#L30true assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet10;havoc main_#t~nondet10; 12#L36true assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 19#L41true call main_#t~ret11 := addition(main_~m~0, main_~n~0);< 10#additionENTRYtrue [2021-10-15 19:10:44,287 INFO L793 eck$LassoCheckResult]: Loop: 10#additionENTRYtrue ~m := #in~m;~n := #in~n; 8#L16true assume !(0 == ~n); 16#L19true assume ~n > 0; 17#L20true call #t~ret7 := addition(1 + ~m, ~n - 1);< 10#additionENTRYtrue [2021-10-15 19:10:44,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:10:44,294 INFO L82 PathProgramCache]: Analyzing trace with hash 28695875, now seen corresponding path program 1 times [2021-10-15 19:10:44,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:10:44,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332194644] [2021-10-15 19:10:44,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:10:44,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:10:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:44,432 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:10:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:44,481 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:10:44,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:10:44,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1697202, now seen corresponding path program 1 times [2021-10-15 19:10:44,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:10:44,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093224152] [2021-10-15 19:10:44,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:10:44,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:10:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:44,495 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:10:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:44,504 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:10:44,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:10:44,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1295733236, now seen corresponding path program 1 times [2021-10-15 19:10:44,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:10:44,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475351297] [2021-10-15 19:10:44,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:10:44,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:10:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:44,569 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:10:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:44,647 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:10:44,896 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:10:44,896 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:10:44,897 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:10:44,897 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:10:44,897 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-15 19:10:44,897 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:44,898 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:10:44,898 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:10:44,899 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration1_Loop [2021-10-15 19:10:44,899 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:10:44,900 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:10:44,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:44,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:44,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:44,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:44,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:44,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:44,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:45,066 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:10:45,067 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-15 19:10:45,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:45,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:45,072 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:45,078 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:10:45,079 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:10:45,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-15 19:10:45,114 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:10:45,114 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_~m=0} Honda state: {addition_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-15 19:10:45,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:45,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:45,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:45,166 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:45,177 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:10:45,178 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:10:45,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-15 19:10:45,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-15 19:10:45,223 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:45,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:45,225 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:45,233 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-15 19:10:45,233 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:10:45,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-15 19:10:45,269 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:10:45,270 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0} Honda state: {addition_#in~m=0} Generalized eigenvectors: [{addition_#in~m=-5}, {addition_#in~m=0}, {addition_#in~m=6}] Lambdas: [1, 6, 1] Nus: [1, 0] [2021-10-15 19:10:45,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:45,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:45,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:45,317 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:45,321 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:10:45,322 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:10:45,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-15 19:10:45,352 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:10:45,353 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret8=0} Honda state: {addition_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-15 19:10:45,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-15 19:10:45,400 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:45,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:45,403 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:45,413 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:10:45,413 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:10:45,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-15 19:10:45,444 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:10:45,444 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-15 19:10:45,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:45,490 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:45,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:45,496 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:45,505 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:10:45,505 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:10:45,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-15 19:10:45,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-15 19:10:45,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:45,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:45,563 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:45,568 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-15 19:10:45,569 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:10:45,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-15 19:10:45,618 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-15 19:10:45,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:45,625 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:10:45,625 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:10:45,625 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:10:45,625 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:10:45,626 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:10:45,626 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:45,626 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:10:45,626 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:10:45,626 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration1_Loop [2021-10-15 19:10:45,626 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:10:45,626 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:10:45,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:45,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:45,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:45,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:45,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:45,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:45,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:45,746 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:10:45,751 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:10:45,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:45,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:45,755 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:45,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:45,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:45,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:45,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:45,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:45,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:45,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:45,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:45,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-15 19:10:45,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:45,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:45,833 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:45,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:45,835 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:45,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:45,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:45,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:45,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:45,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:45,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:45,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:45,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:45,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-15 19:10:45,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:45,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:45,942 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:45,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:45,943 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:45,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-15 19:10:45,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:45,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:45,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:45,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:45,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:45,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:45,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:45,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:45,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:46,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:46,011 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:46,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:46,012 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:46,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-15 19:10:46,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:46,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:46,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:46,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:46,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:46,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:46,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:46,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:46,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:46,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:46,063 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:46,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:46,064 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:46,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-15 19:10:46,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:46,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:46,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:46,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:46,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:46,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:46,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:46,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:46,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:46,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:46,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:46,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:46,130 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:46,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-15 19:10:46,138 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 [2021-10-15 19:10:46,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:46,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:46,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:46,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:46,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:46,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:46,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:46,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:46,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:46,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:46,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:46,189 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:46,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-15 19:10:46,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:46,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:46,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:46,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:46,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:46,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:46,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:46,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:46,207 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:10:46,211 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-15 19:10:46,211 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-15 19:10:46,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:46,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:46,245 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:46,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-15 19:10:46,250 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:10:46,250 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-15 19:10:46,251 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:10:46,251 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2021-10-15 19:10:46,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:46,279 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-15 19:10:46,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:10:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:10:46,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 19:10:46,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:10:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:10:46,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-15 19:10:46,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:10:46,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:10:46,461 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-15 19:10:46,463 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:10:46,622 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 73 transitions. Complement of second has 12 states. [2021-10-15 19:10:46,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-15 19:10:46,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:10:46,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-10-15 19:10:46,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-15 19:10:46,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:10:46,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 4 letters. [2021-10-15 19:10:46,633 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:10:46,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 8 letters. [2021-10-15 19:10:46,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:10:46,635 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 73 transitions. [2021-10-15 19:10:46,655 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-15 19:10:46,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 27 states and 30 transitions. [2021-10-15 19:10:46,662 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-15 19:10:46,662 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-15 19:10:46,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 30 transitions. [2021-10-15 19:10:46,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-15 19:10:46,664 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 30 transitions. [2021-10-15 19:10:46,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 30 transitions. [2021-10-15 19:10:46,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 18. [2021-10-15 19:10:46,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 4 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:10:46,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2021-10-15 19:10:46,690 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-15 19:10:46,690 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-15 19:10:46,690 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-15 19:10:46,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2021-10-15 19:10:46,691 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-15 19:10:46,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:10:46,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:10:46,692 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:10:46,692 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-15 19:10:46,692 INFO L791 eck$LassoCheckResult]: Stem: 143#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 144#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~nondet10, main_#t~ret11, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet9;havoc main_#t~nondet9; 145#L30 assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet10;havoc main_#t~nondet10; 146#L36 assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 140#L41 call main_#t~ret11 := addition(main_~m~0, main_~n~0);< 142#additionENTRY ~m := #in~m;~n := #in~n; 148#L16 assume !(0 == ~n); 149#L19 assume !(~n > 0); 147#L22 [2021-10-15 19:10:46,692 INFO L793 eck$LassoCheckResult]: Loop: 147#L22 assume ~n < 0; 137#L23 call #t~ret8 := addition(~m - 1, 1 + ~n);< 139#additionENTRY ~m := #in~m;~n := #in~n; 154#L16 assume !(0 == ~n); 153#L19 assume !(~n > 0); 147#L22 [2021-10-15 19:10:46,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:10:46,693 INFO L82 PathProgramCache]: Analyzing trace with hash 180345180, now seen corresponding path program 1 times [2021-10-15 19:10:46,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:10:46,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506306125] [2021-10-15 19:10:46,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:10:46,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:10:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:10:46,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:10:46,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:10:46,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506306125] [2021-10-15 19:10:46,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506306125] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:10:46,870 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:10:46,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-15 19:10:46,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289033838] [2021-10-15 19:10:46,874 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 19:10:46,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:10:46,874 INFO L82 PathProgramCache]: Analyzing trace with hash 65148085, now seen corresponding path program 1 times [2021-10-15 19:10:46,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:10:46,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160473535] [2021-10-15 19:10:46,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:10:46,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:10:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:46,882 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:10:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:10:46,889 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:10:47,050 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:10:47,050 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:10:47,050 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:10:47,051 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:10:47,051 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-15 19:10:47,051 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:47,051 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:10:47,051 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:10:47,051 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration2_Loop [2021-10-15 19:10:47,051 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:10:47,051 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:10:47,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:47,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:47,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:47,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:47,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:47,197 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:10:47,197 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-15 19:10:47,198 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:47,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:47,212 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:47,242 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:10:47,242 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:10:47,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:47,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-15 19:10:47,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:47,320 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:47,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:47,321 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:47,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-15 19:10:47,328 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-15 19:10:47,328 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:10:47,654 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:10:47,654 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=-1, addition_~m=-8} Honda state: {addition_#in~m=-1, addition_~m=-8} Generalized eigenvectors: [{addition_#in~m=-1, addition_~m=-1}, {addition_#in~m=1, addition_~m=0}, {addition_#in~m=-8, addition_~m=0}] Lambdas: [1, 8, 0] Nus: [0, 1] [2021-10-15 19:10:47,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:47,693 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:47,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:47,694 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:47,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-15 19:10:47,697 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:10:47,697 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:10:47,708 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:10:47,708 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-15 19:10:47,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-10-15 19:10:47,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:47,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:47,734 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:47,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-15 19:10:47,738 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:10:47,738 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:10:47,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:47,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:47,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:47,781 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:47,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-15 19:10:47,789 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-15 19:10:47,789 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:10:56,376 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-15 19:10:56,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-10-15 19:10:56,384 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:10:56,384 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:10:56,384 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:10:56,384 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:10:56,384 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:10:56,384 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:56,384 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:10:56,384 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:10:56,384 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration2_Loop [2021-10-15 19:10:56,384 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:10:56,385 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:10:56,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:56,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:56,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:56,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:56,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:10:56,512 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:10:56,513 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:10:56,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:56,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:56,515 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:56,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:56,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:56,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:56,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:56,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:56,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:56,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:56,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:56,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-15 19:10:56,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:56,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:56,594 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:56,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:56,596 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:56,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:56,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:56,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:56,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:56,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:56,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:56,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:56,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:56,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-15 19:10:56,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:10:56,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:56,676 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:56,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:56,678 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:56,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:10:56,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:10:56,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:10:56,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:10:56,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:10:56,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:10:56,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:10:56,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:10:56,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-15 19:10:56,715 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:10:56,719 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-15 19:10:56,720 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-15 19:10:56,720 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:10:56,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:10:56,721 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:10:56,724 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:10:56,724 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-15 19:10:56,725 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:10:56,725 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2021-10-15 19:10:56,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-15 19:10:56,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-15 19:10:56,757 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-15 19:10:56,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:10:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:10:56,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 19:10:56,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:10:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:10:56,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-15 19:10:56,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:10:57,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:10:57,012 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-10-15 19:10:57,013 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:10:57,056 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 37 transitions. Complement of second has 13 states. [2021-10-15 19:10:57,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-15 19:10:57,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:10:57,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2021-10-15 19:10:57,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 8 letters. Loop has 5 letters. [2021-10-15 19:10:57,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:10:57,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 13 letters. Loop has 5 letters. [2021-10-15 19:10:57,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:10:57,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 8 letters. Loop has 10 letters. [2021-10-15 19:10:57,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:10:57,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2021-10-15 19:10:57,072 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-15 19:10:57,075 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 27 states and 31 transitions. [2021-10-15 19:10:57,075 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-15 19:10:57,077 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-15 19:10:57,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 31 transitions. [2021-10-15 19:10:57,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-15 19:10:57,078 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 31 transitions. [2021-10-15 19:10:57,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 31 transitions. [2021-10-15 19:10:57,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2021-10-15 19:10:57,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.2) internal successors, (24), 20 states have internal predecessors, (24), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:10:57,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-10-15 19:10:57,087 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-10-15 19:10:57,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:10:57,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-15 19:10:57,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-15 19:10:57,092 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:10:57,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 19:10:57,143 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2021-10-15 19:10:57,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-15 19:10:57,143 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2021-10-15 19:10:57,145 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:10:57,145 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2021-10-15 19:10:57,145 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 19:10:57,145 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 19:10:57,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 19:10:57,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:10:57,146 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:10:57,146 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:10:57,146 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:10:57,146 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-15 19:10:57,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-15 19:10:57,146 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:10:57,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-15 19:10:57,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 07:10:57 BoogieIcfgContainer [2021-10-15 19:10:57,154 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 19:10:57,154 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:10:57,155 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:10:57,155 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:10:57,155 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:10:44" (3/4) ... [2021-10-15 19:10:57,159 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:10:57,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:10:57,162 INFO L168 Benchmark]: Toolchain (without parser) took 13922.19 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 48.6 MB in the beginning and 53.4 MB in the end (delta: -4.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:10:57,169 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory was 64.6 MB in the beginning and 64.5 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:10:57,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.58 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 48.4 MB in the beginning and 83.7 MB in the end (delta: -35.2 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-15 19:10:57,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.11 ms. Allocated memory is still 107.0 MB. Free memory was 83.7 MB in the beginning and 82.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:10:57,174 INFO L168 Benchmark]: Boogie Preprocessor took 59.46 ms. Allocated memory is still 107.0 MB. Free memory was 82.2 MB in the beginning and 81.3 MB in the end (delta: 892.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:10:57,175 INFO L168 Benchmark]: RCFGBuilder took 382.86 ms. Allocated memory is still 107.0 MB. Free memory was 81.3 MB in the beginning and 71.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:10:57,179 INFO L168 Benchmark]: BuchiAutomizer took 13093.33 ms. Allocated memory is still 107.0 MB. Free memory was 71.7 MB in the beginning and 53.8 MB in the end (delta: 17.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:10:57,180 INFO L168 Benchmark]: Witness Printer took 4.56 ms. Allocated memory is still 107.0 MB. Free memory is still 53.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:10:57,183 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 64.6 MB in the beginning and 64.5 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 323.58 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 48.4 MB in the beginning and 83.7 MB in the end (delta: -35.2 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.11 ms. Allocated memory is still 107.0 MB. Free memory was 83.7 MB in the beginning and 82.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.46 ms. Allocated memory is still 107.0 MB. Free memory was 82.2 MB in the beginning and 81.3 MB in the end (delta: 892.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 382.86 ms. Allocated memory is still 107.0 MB. Free memory was 81.3 MB in the beginning and 71.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 13093.33 ms. Allocated memory is still 107.0 MB. Free memory was 71.7 MB in the beginning and 53.8 MB in the end (delta: 17.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.56 ms. Allocated memory is still 107.0 MB. Free memory is still 53.4 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 \old(n) and consists of 4 locations. One deterministic module has affine ranking function -1 * n and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 12.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 21.0ms AutomataMinimizationTime, 2 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 18 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 30 SDtfs, 39 SDslu, 18 SDs, 0 SdLazy, 69 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 71.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp67 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf93 smp87 dnf100 smp100 tf111 neg97 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 9.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-15 19:10:57,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-15 19:10:57,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc33fbb-1f15-43d1-8daf-a5b382747586/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...