./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/Addition03-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Addition03-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:01:55,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:01:55,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:01:56,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:01:56,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:01:56,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:01:56,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:01:56,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:01:56,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:01:56,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:01:56,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:01:56,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:01:56,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:01:56,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:01:56,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:01:56,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:01:56,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:01:56,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:01:56,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:01:56,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:01:56,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:01:56,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:01:56,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:01:56,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:01:56,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:01:56,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:01:56,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:01:56,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:01:56,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:01:56,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:01:56,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:01:56,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:01:56,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:01:56,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:01:56,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:01:56,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:01:56,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:01:56,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:01:56,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:01:56,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:01:56,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:01:56,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:01:56,212 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:01:56,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:01:56,213 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:01:56,213 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:01:56,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:01:56,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:01:56,216 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:01:56,216 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:01:56,216 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:01:56,216 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:01:56,218 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:01:56,218 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:01:56,218 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:01:56,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:01:56,219 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:01:56,219 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:01:56,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:01:56,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:01:56,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:01:56,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:01:56,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:01:56,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:01:56,221 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:01:56,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:01:56,222 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:01:56,222 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:01:56,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:01:56,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:01:56,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:01:56,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:01:56,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:01:56,225 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:01:56,226 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:01:56,226 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_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b [2021-10-28 23:01:56,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:01:56,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:01:56,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:01:56,573 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:01:56,574 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:01:56,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/recursive/Addition03-1.c [2021-10-28 23:01:56,656 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/data/869b15341/031fcc762f694253bdcd66bfcef2d4cd/FLAGec1f92d85 [2021-10-28 23:01:57,152 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:01:57,154 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/sv-benchmarks/c/recursive/Addition03-1.c [2021-10-28 23:01:57,165 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/data/869b15341/031fcc762f694253bdcd66bfcef2d4cd/FLAGec1f92d85 [2021-10-28 23:01:57,521 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/data/869b15341/031fcc762f694253bdcd66bfcef2d4cd [2021-10-28 23:01:57,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:01:57,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:01:57,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:01:57,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:01:57,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:01:57,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:01:57" (1/1) ... [2021-10-28 23:01:57,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@499b6ca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:57, skipping insertion in model container [2021-10-28 23:01:57,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:01:57" (1/1) ... [2021-10-28 23:01:57,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:01:57,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:01:57,731 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_493396dc-279b-4508-9096-5edcd36cfe4d/sv-benchmarks/c/recursive/Addition03-1.c[840,853] [2021-10-28 23:01:57,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:01:57,744 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:01:57,763 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_493396dc-279b-4508-9096-5edcd36cfe4d/sv-benchmarks/c/recursive/Addition03-1.c[840,853] [2021-10-28 23:01:57,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:01:57,776 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:01:57,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:57 WrapperNode [2021-10-28 23:01:57,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:01:57,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:01:57,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:01:57,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:01:57,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:57" (1/1) ... [2021-10-28 23:01:57,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:57" (1/1) ... [2021-10-28 23:01:57,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:01:57,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:01:57,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:01:57,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:01:57,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:57" (1/1) ... [2021-10-28 23:01:57,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:57" (1/1) ... [2021-10-28 23:01:57,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:57" (1/1) ... [2021-10-28 23:01:57,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:57" (1/1) ... [2021-10-28 23:01:57,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:57" (1/1) ... [2021-10-28 23:01:57,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:57" (1/1) ... [2021-10-28 23:01:57,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:57" (1/1) ... [2021-10-28 23:01:57,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:01:57,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:01:57,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:01:57,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:01:57,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:57" (1/1) ... [2021-10-28 23:01:57,848 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:57,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:57,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:57,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:01:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:01:57,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:01:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:01:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:01:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2021-10-28 23:01:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2021-10-28 23:01:58,155 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:01:58,156 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-28 23:01:58,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:01:58 BoogieIcfgContainer [2021-10-28 23:01:58,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:01:58,159 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:01:58,159 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:01:58,162 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:01:58,163 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:01:58,163 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:01:57" (1/3) ... [2021-10-28 23:01:58,179 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44e74af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:01:58, skipping insertion in model container [2021-10-28 23:01:58,179 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:01:58,179 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:01:57" (2/3) ... [2021-10-28 23:01:58,180 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44e74af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:01:58, skipping insertion in model container [2021-10-28 23:01:58,180 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:01:58,180 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:01:58" (3/3) ... [2021-10-28 23:01:58,182 INFO L389 chiAutomizerObserver]: Analyzing ICFG Addition03-1.c [2021-10-28 23:01:58,231 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:01:58,231 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:01:58,231 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:01:58,231 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:01:58,231 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:01:58,232 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:01:58,232 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:01:58,232 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:01:58,249 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 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) [2021-10-28 23:01:58,275 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 23:01:58,275 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:01:58,275 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:01:58,282 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 23:01:58,282 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 23:01:58,283 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:01:58,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 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) [2021-10-28 23:01:58,287 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 23:01:58,287 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:01:58,287 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:01:58,288 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 23:01:58,288 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 23:01:58,295 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(15);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;main_~n~0 := main_#t~nondet10;havoc main_#t~nondet10; 10#L31true call main_#t~ret11 := addition(main_~m~0, main_~n~0);< 9#additionENTRYtrue [2021-10-28 23:01:58,295 INFO L793 eck$LassoCheckResult]: Loop: 9#additionENTRYtrue ~m := #in~m;~n := #in~n; 7#L16true assume !(0 == ~n); 14#L19true assume ~n > 0; 15#L20true call #t~ret7 := addition(1 + ~m, ~n - 1);< 9#additionENTRYtrue [2021-10-28 23:01:58,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:58,307 INFO L85 PathProgramCache]: Analyzing trace with hash 29886, now seen corresponding path program 1 times [2021-10-28 23:01:58,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:58,346 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497062657] [2021-10-28 23:01:58,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:58,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:58,456 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:01:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:58,499 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:01:58,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:58,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1389362, now seen corresponding path program 1 times [2021-10-28 23:01:58,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:58,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289191477] [2021-10-28 23:01:58,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:58,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:58,533 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:01:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:58,543 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:01:58,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:58,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1831010671, now seen corresponding path program 1 times [2021-10-28 23:01:58,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:01:58,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893663470] [2021-10-28 23:01:58,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:01:58,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:01:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:58,584 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:01:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:01:58,613 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:01:58,793 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:01:58,794 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:01:58,794 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:01:58,794 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:01:58,795 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:01:58,795 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:58,795 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:01:58,795 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:01:58,796 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration1_Loop [2021-10-28 23:01:58,796 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:01:58,796 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:01:58,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:58,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:58,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:58,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:58,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:58,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:58,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:58,911 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:01:58,911 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:01:58,914 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:58,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:58,916 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:58,929 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:01:58,929 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:01:58,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:01:58,961 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:01:58,961 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_~m=0} Honda state: {addition_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:01:58,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:58,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:58,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:58,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:58,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:01:59,001 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:01:59,001 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:01:59,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,070 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,077 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:01:59,077 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:01:59,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:01:59,122 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:01:59,122 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] [2021-10-28 23:01:59,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-28 23:01:59,154 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,155 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:01:59,165 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:01:59,166 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:01:59,184 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:01:59,184 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret8=0} Honda state: {addition_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:01:59,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,217 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:01:59,222 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:01:59,222 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:01:59,233 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:01:59,233 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:01:59,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,258 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:01:59,263 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:01:59,263 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:01:59,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,300 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,301 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:01:59,304 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:01:59,304 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:01:59,368 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:01:59,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,377 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:01:59,377 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:01:59,377 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:01:59,378 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:01:59,378 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:01:59,378 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,378 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:01:59,378 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:01:59,378 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration1_Loop [2021-10-28 23:01:59,378 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:01:59,378 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:01:59,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:59,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:59,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:59,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:59,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:59,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:59,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:01:59,451 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:01:59,456 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:01:59,457 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,460 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:01:59,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-28 23:01:59,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,535 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:01:59,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,592 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:01:59,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,638 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,639 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:01:59,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,684 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,685 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:01:59,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,738 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:01:59,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:01:59,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,788 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,789 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:01:59,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:01:59,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:01:59,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:01:59,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:01:59,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:01:59,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:01:59,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:01:59,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:01:59,805 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:01:59,808 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 23:01:59,808 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 23:01:59,810 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:01:59,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:01:59,816 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:01:59,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:01:59,836 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:01:59,836 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:01:59,836 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:01:59,837 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2021-10-28 23:01:59,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:01:59,858 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:01:59,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:01:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:59,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:01:59,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:01:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:01:59,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:01:59,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:00,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:02:00,042 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 [2021-10-28 23:02:00,043 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-10-28 23:02:00,157 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 49 states and 67 transitions. Complement of second has 12 states. [2021-10-28 23:02:00,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:02:00,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-10-28 23:02:00,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-10-28 23:02:00,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 3 letters. Loop has 4 letters. [2021-10-28 23:02:00,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:00,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2021-10-28 23:02:00,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:00,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 3 letters. Loop has 8 letters. [2021-10-28 23:02:00,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:00,166 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 67 transitions. [2021-10-28 23:02:00,180 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 23:02:00,185 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 25 states and 28 transitions. [2021-10-28 23:02:00,186 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-28 23:02:00,186 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-10-28 23:02:00,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2021-10-28 23:02:00,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:02:00,187 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2021-10-28 23:02:00,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2021-10-28 23:02:00,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 16. [2021-10-28 23:02:00,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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) [2021-10-28 23:02:00,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-10-28 23:02:00,207 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-10-28 23:02:00,207 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-10-28 23:02:00,207 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:02:00,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2021-10-28 23:02:00,208 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 23:02:00,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:02:00,208 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:02:00,208 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:02:00,208 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 23:02:00,208 INFO L791 eck$LassoCheckResult]: Stem: 129#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(15);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 130#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;main_~n~0 := main_#t~nondet10;havoc main_#t~nondet10; 127#L31 call main_#t~ret11 := addition(main_~m~0, main_~n~0);< 136#additionENTRY ~m := #in~m;~n := #in~n; 131#L16 assume !(0 == ~n); 132#L19 assume !(~n > 0); 135#L22 [2021-10-28 23:02:00,209 INFO L793 eck$LassoCheckResult]: Loop: 135#L22 assume ~n < 0; 124#L23 call #t~ret8 := addition(~m - 1, 1 + ~n);< 126#additionENTRY ~m := #in~m;~n := #in~n; 139#L16 assume !(0 == ~n); 138#L19 assume !(~n > 0); 135#L22 [2021-10-28 23:02:00,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:00,209 INFO L85 PathProgramCache]: Analyzing trace with hash 890348855, now seen corresponding path program 1 times [2021-10-28 23:02:00,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:02:00,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111707014] [2021-10-28 23:02:00,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:02:00,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:02:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:00,222 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:02:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:00,239 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:02:00,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:00,239 INFO L85 PathProgramCache]: Analyzing trace with hash 55605035, now seen corresponding path program 1 times [2021-10-28 23:02:00,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:02:00,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248747539] [2021-10-28 23:02:00,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:02:00,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:02:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:00,245 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:02:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:00,251 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:02:00,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:00,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1017357237, now seen corresponding path program 1 times [2021-10-28 23:02:00,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:02:00,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993049510] [2021-10-28 23:02:00,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:02:00,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:02:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:00,267 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:02:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:00,307 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:02:00,449 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:02:00,450 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:02:00,450 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:02:00,450 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:02:00,450 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:02:00,450 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,450 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:02:00,450 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:02:00,451 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration2_Loop [2021-10-28 23:02:00,451 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:02:00,451 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:02:00,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:00,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:00,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:00,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:00,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:00,610 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:02:00,610 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:02:00,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,613 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 23:02:00,624 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:02:00,624 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:02:00,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:00,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:00,692 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,695 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,700 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:02:00,701 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:02:00,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 23:02:00,974 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:02:00,974 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] [2021-10-28 23:02:00,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:00,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:00,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:00,996 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:00,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 23:02:00,999 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:02:01,000 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:02:01,008 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:02:01,008 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:02:01,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:01,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:01,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:01,037 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:01,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 23:02:01,042 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:02:01,042 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:02:01,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:01,076 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:01,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:01,077 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:01,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 23:02:01,081 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:02:01,081 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:02:07,589 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:02:07,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:07,594 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:02:07,594 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:02:07,594 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:02:07,594 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:02:07,594 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:02:07,594 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:07,594 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:02:07,594 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:02:07,594 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration2_Loop [2021-10-28 23:02:07,594 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:02:07,594 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:02:07,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:07,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:07,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:07,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:07,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:07,690 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:02:07,690 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:02:07,691 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:07,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:07,692 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:07,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:07,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:07,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:07,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:07,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:07,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:07,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:07,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:07,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 23:02:07,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:07,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:07,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:07,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:07,760 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:07,762 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 [2021-10-28 23:02:07,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 23:02:07,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:07,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:07,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:07,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:07,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:07,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:07,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:07,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:07,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-28 23:02:07,805 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:07,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:07,806 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:07,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 23:02:07,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:07,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:07,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:07,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:07,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:07,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:07,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:07,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:07,843 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:02:07,849 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 23:02:07,849 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 23:02:07,849 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:07,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:07,852 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:07,858 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:02:07,858 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:02:07,858 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:02:07,858 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2021-10-28 23:02:07,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 23:02:07,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:07,883 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:02:07,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:07,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:02:07,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:07,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:02:07,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:08,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:02:08,046 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 [2021-10-28 23:02:08,047 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-28 23:02:08,077 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 30 states and 35 transitions. Complement of second has 13 states. [2021-10-28 23:02:08,078 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 [2021-10-28 23:02:08,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-28 23:02:08,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2021-10-28 23:02:08,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 6 letters. Loop has 5 letters. [2021-10-28 23:02:08,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:08,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 5 letters. [2021-10-28 23:02:08,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:08,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 6 letters. Loop has 10 letters. [2021-10-28 23:02:08,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:08,082 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2021-10-28 23:02:08,087 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 23:02:08,090 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 25 states and 29 transitions. [2021-10-28 23:02:08,093 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-28 23:02:08,093 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-10-28 23:02:08,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 29 transitions. [2021-10-28 23:02:08,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:02:08,094 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-10-28 23:02:08,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 29 transitions. [2021-10-28 23:02:08,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2021-10-28 23:02:08,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 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) [2021-10-28 23:02:08,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-10-28 23:02:08,098 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-10-28 23:02:08,098 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-10-28 23:02:08,098 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:02:08,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 27 transitions. [2021-10-28 23:02:08,098 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 23:02:08,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:02:08,098 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:02:08,099 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:02:08,099 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 23:02:08,099 INFO L791 eck$LassoCheckResult]: Stem: 243#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(15);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 244#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;main_~n~0 := main_#t~nondet10;havoc main_#t~nondet10; 241#L31 call main_#t~ret11 := addition(main_~m~0, main_~n~0);< 253#additionENTRY ~m := #in~m;~n := #in~n; 245#L16 assume !(0 == ~n); 246#L19 assume !(~n > 0); 250#L22 assume ~n < 0; 239#L23 call #t~ret8 := addition(~m - 1, 1 + ~n);< 240#additionENTRY ~m := #in~m;~n := #in~n; 247#L16 assume !(0 == ~n); 249#L19 assume ~n > 0; 237#L20 [2021-10-28 23:02:08,099 INFO L793 eck$LassoCheckResult]: Loop: 237#L20 call #t~ret7 := addition(1 + ~m, ~n - 1);< 238#additionENTRY ~m := #in~m;~n := #in~n; 252#L16 assume !(0 == ~n); 257#L19 assume ~n > 0; 237#L20 [2021-10-28 23:02:08,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:08,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1017357234, now seen corresponding path program 1 times [2021-10-28 23:02:08,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:02:08,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381350021] [2021-10-28 23:02:08,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:02:08,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:02:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:08,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:02:08,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:02:08,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381350021] [2021-10-28 23:02:08,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381350021] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:02:08,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:02:08,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:02:08,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977240624] [2021-10-28 23:02:08,176 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:02:08,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:08,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1981232, now seen corresponding path program 2 times [2021-10-28 23:02:08,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:02:08,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009591255] [2021-10-28 23:02:08,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:02:08,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:02:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:08,182 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:02:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:02:08,186 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:02:08,252 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:02:08,252 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:02:08,252 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:02:08,252 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:02:08,252 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:02:08,252 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:08,253 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:02:08,253 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:02:08,253 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration3_Loop [2021-10-28 23:02:08,253 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:02:08,253 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:02:08,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:08,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:08,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:08,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:08,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:08,340 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:02:08,340 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:02:08,341 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:08,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:08,342 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:08,350 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:02:08,350 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:02:08,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 23:02:08,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:08,405 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:08,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:08,406 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:08,408 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:02:08,408 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:02:08,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 23:02:08,536 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:02:08,536 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=-4, addition_~m=-4} Honda state: {addition_#in~m=-4, addition_~m=-4} Generalized eigenvectors: [{addition_#in~m=5, addition_~m=5}, {addition_#in~m=0, addition_~m=0}, {addition_#in~m=-4, addition_~m=-4}] Lambdas: [1, 11, 1] Nus: [0, 0] [2021-10-28 23:02:08,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-28 23:02:08,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:08,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:08,556 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:08,557 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:02:08,558 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:02:08,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 23:02:08,566 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:02:08,566 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret7=0} Honda state: {addition_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:02:08,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-28 23:02:08,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:08,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:08,586 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:08,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 23:02:08,588 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:02:08,588 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:02:08,596 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:02:08,596 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret8=0} Honda state: {addition_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:02:08,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-28 23:02:08,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:08,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:08,616 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:08,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 23:02:08,617 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:02:08,617 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:02:08,637 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:02:08,637 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 23:02:08,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-28 23:02:08,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:08,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:08,666 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:08,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 23:02:08,668 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:02:08,668 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:02:08,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:08,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:08,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:08,706 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:08,712 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:02:08,712 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:02:08,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 23:02:09,891 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:02:09,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-28 23:02:09,894 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:02:09,895 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:02:09,895 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:02:09,895 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:02:09,895 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:02:09,895 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:09,895 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:02:09,895 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:02:09,895 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration3_Loop [2021-10-28 23:02:09,895 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:02:09,895 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:02:09,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:09,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:09,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:09,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:09,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:02:09,953 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:02:09,953 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:02:09,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:09,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:09,973 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:09,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:09,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:09,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:09,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:09,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:09,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:09,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:09,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:09,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 23:02:10,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:10,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:10,040 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:10,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:10,041 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:10,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:10,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 23:02:10,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:10,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:10,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:10,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:10,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:10,053 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:10,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:10,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:10,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:10,089 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:10,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:10,091 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:10,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 23:02:10,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:10,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:10,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:10,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:10,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:10,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:10,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:10,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:10,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:02:10,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:10,142 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:10,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:10,143 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:10,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:10,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 23:02:10,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:02:10,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:02:10,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:02:10,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:02:10,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:02:10,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:02:10,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:02:10,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:02:10,201 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:02:10,203 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-28 23:02:10,203 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 23:02:10,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:02:10,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:02:10,204 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:02:10,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 23:02:10,205 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:02:10,205 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:02:10,205 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:02:10,206 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = 1*addition_~n Supporting invariants [] [2021-10-28 23:02:10,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:10,228 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:02:10,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:02:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:10,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:02:10,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:02:10,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:02:10,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:02:10,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:02:10,357 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 [2021-10-28 23:02:10,357 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 27 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:10,395 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 27 transitions. cyclomatic complexity: 7. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 63 transitions. Complement of second has 9 states. [2021-10-28 23:02:10,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:02:10,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:10,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-10-28 23:02:10,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2021-10-28 23:02:10,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:10,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 4 letters. [2021-10-28 23:02:10,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:10,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 8 letters. [2021-10-28 23:02:10,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:02:10,400 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 63 transitions. [2021-10-28 23:02:10,404 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-28 23:02:10,405 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 47 states and 55 transitions. [2021-10-28 23:02:10,405 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-28 23:02:10,406 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-10-28 23:02:10,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 55 transitions. [2021-10-28 23:02:10,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:02:10,406 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 55 transitions. [2021-10-28 23:02:10,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 55 transitions. [2021-10-28 23:02:10,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 41. [2021-10-28 23:02:10,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 33 states have (on average 1.121212121212121) internal successors, (37), 32 states have internal predecessors, (37), 8 states have call successors, (11), 8 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:02:10,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2021-10-28 23:02:10,411 INFO L704 BuchiCegarLoop]: Abstraction has 41 states and 48 transitions. [2021-10-28 23:02:10,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:02:10,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:02:10,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:02:10,415 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-28 23:02:10,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:02:10,449 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2021-10-28 23:02:10,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:02:10,449 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 31 transitions. [2021-10-28 23:02:10,450 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:02:10,450 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2021-10-28 23:02:10,450 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:02:10,450 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:02:10,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:02:10,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:02:10,451 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:02:10,451 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:02:10,451 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:02:10,451 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 23:02:10,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:02:10,451 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:02:10,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:02:10,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:02:10 BoogieIcfgContainer [2021-10-28 23:02:10,456 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:02:10,456 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:02:10,456 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:02:10,456 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:02:10,457 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:01:58" (3/4) ... [2021-10-28 23:02:10,459 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:02:10,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:02:10,461 INFO L168 Benchmark]: Toolchain (without parser) took 12934.87 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 67.8 MB in the beginning and 80.4 MB in the end (delta: -12.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:10,461 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 102.8 MB. Free memory was 74.7 MB in the beginning and 74.7 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:02:10,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.59 ms. Allocated memory is still 102.8 MB. Free memory was 67.8 MB in the beginning and 79.1 MB in the end (delta: -11.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:10,462 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.45 ms. Allocated memory is still 102.8 MB. Free memory was 79.1 MB in the beginning and 77.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:10,463 INFO L168 Benchmark]: Boogie Preprocessor took 20.49 ms. Allocated memory is still 102.8 MB. Free memory was 77.6 MB in the beginning and 77.0 MB in the end (delta: 521.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:02:10,467 INFO L168 Benchmark]: RCFGBuilder took 327.79 ms. Allocated memory is still 102.8 MB. Free memory was 77.0 MB in the beginning and 67.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:10,468 INFO L168 Benchmark]: BuchiAutomizer took 12296.77 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 67.1 MB in the beginning and 80.4 MB in the end (delta: -13.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:02:10,468 INFO L168 Benchmark]: Witness Printer took 3.29 ms. Allocated memory is still 123.7 MB. Free memory is still 80.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:02:10,470 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 102.8 MB. Free memory was 74.7 MB in the beginning and 74.7 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 250.59 ms. Allocated memory is still 102.8 MB. Free memory was 67.8 MB in the beginning and 79.1 MB in the end (delta: -11.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.45 ms. Allocated memory is still 102.8 MB. Free memory was 79.1 MB in the beginning and 77.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.49 ms. Allocated memory is still 102.8 MB. Free memory was 77.6 MB in the beginning and 77.0 MB in the end (delta: 521.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 327.79 ms. Allocated memory is still 102.8 MB. Free memory was 77.0 MB in the beginning and 67.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 12296.77 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 67.1 MB in the beginning and 80.4 MB in the end (delta: -13.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 3.29 ms. Allocated memory is still 123.7 MB. Free memory is still 80.4 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 4 terminating modules (1 trivial, 3 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. One deterministic module has affine ranking function n and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.2s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 11.3s. 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 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 23 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 37 SDtfs, 48 SDslu, 17 SDs, 0 SdLazy, 89 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq173 hnf92 smp91 dnf100 smp100 tf110 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 8.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:02:10,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 23:02:10,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_493396dc-279b-4508-9096-5edcd36cfe4d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...