./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/Addition02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Addition02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c0bb97f0ddc8ff8c6b996d7f7598b56ed37dc2a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:14:53,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:14:53,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:14:53,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:14:53,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:14:53,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:14:53,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:14:53,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:14:53,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:14:53,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:14:53,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:14:53,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:14:53,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:14:53,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:14:53,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:14:53,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:14:53,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:14:53,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:14:53,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:14:53,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:14:53,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:14:53,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:14:53,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:14:53,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:14:53,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:14:53,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:14:53,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:14:53,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:14:53,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:14:53,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:14:53,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:14:53,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:14:53,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:14:53,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:14:53,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:14:53,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:14:53,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:14:53,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:14:53,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:14:53,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:14:53,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:14:53,136 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 01:14:53,197 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:14:53,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:14:53,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:14:53,202 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:14:53,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:14:53,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:14:53,204 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:14:53,204 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:14:53,205 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:14:53,205 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:14:53,206 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:14:53,207 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:14:53,207 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:14:53,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:14:53,208 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:14:53,208 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:14:53,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:14:53,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:14:53,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:14:53,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:14:53,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:14:53,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:14:53,210 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:14:53,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:14:53,210 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:14:53,214 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:14:53,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:14:53,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:14:53,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:14:53,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:14:53,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:14:53,217 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:14:53,218 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:14:53,218 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_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c0bb97f0ddc8ff8c6b996d7f7598b56ed37dc2a [2021-10-13 01:14:53,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:14:53,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:14:53,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:14:53,619 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:14:53,620 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:14:53,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/recursive/Addition02.c [2021-10-13 01:14:53,700 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/data/2bb93066d/6389c30b90654aa9af3df36b821698bd/FLAGa64b0e11b [2021-10-13 01:14:54,262 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:14:54,263 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/sv-benchmarks/c/recursive/Addition02.c [2021-10-13 01:14:54,279 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/data/2bb93066d/6389c30b90654aa9af3df36b821698bd/FLAGa64b0e11b [2021-10-13 01:14:54,602 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/data/2bb93066d/6389c30b90654aa9af3df36b821698bd [2021-10-13 01:14:54,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:14:54,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:14:54,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:14:54,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:14:54,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:14:54,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:14:54" (1/1) ... [2021-10-13 01:14:54,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c456f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:54, skipping insertion in model container [2021-10-13 01:14:54,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:14:54" (1/1) ... [2021-10-13 01:14:54,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:14:54,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:14:54,864 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_b4d7a05d-4e5e-4607-9784-b99abcc20aae/sv-benchmarks/c/recursive/Addition02.c[1124,1137] [2021-10-13 01:14:54,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:14:54,877 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:14:54,893 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_b4d7a05d-4e5e-4607-9784-b99abcc20aae/sv-benchmarks/c/recursive/Addition02.c[1124,1137] [2021-10-13 01:14:54,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:14:54,911 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:14:54,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:54 WrapperNode [2021-10-13 01:14:54,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:14:54,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:14:54,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:14:54,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:14:54,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:54" (1/1) ... [2021-10-13 01:14:54,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:54" (1/1) ... [2021-10-13 01:14:54,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:14:54,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:14:54,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:14:54,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:14:54,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:54" (1/1) ... [2021-10-13 01:14:54,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:54" (1/1) ... [2021-10-13 01:14:54,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:54" (1/1) ... [2021-10-13 01:14:54,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:54" (1/1) ... [2021-10-13 01:14:54,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:54" (1/1) ... [2021-10-13 01:14:54,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:54" (1/1) ... [2021-10-13 01:14:54,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:54" (1/1) ... [2021-10-13 01:14:54,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:14:54,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:14:54,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:14:54,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:14:54,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:54" (1/1) ... [2021-10-13 01:14:55,009 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:55,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:55,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:55,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:14:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:14:55,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:14:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:14:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:14:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2021-10-13 01:14:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2021-10-13 01:14:55,450 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:14:55,450 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-13 01:14:55,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:14:55 BoogieIcfgContainer [2021-10-13 01:14:55,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:14:55,454 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:14:55,454 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:14:55,469 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:14:55,470 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:14:55,471 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:14:54" (1/3) ... [2021-10-13 01:14:55,472 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fac2fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:14:55, skipping insertion in model container [2021-10-13 01:14:55,473 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:14:55,473 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:54" (2/3) ... [2021-10-13 01:14:55,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fac2fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:14:55, skipping insertion in model container [2021-10-13 01:14:55,474 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:14:55,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:14:55" (3/3) ... [2021-10-13 01:14:55,476 INFO L389 chiAutomizerObserver]: Analyzing ICFG Addition02.c [2021-10-13 01:14:55,565 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:14:55,573 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:14:55,585 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:14:55,585 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:14:55,586 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:14:55,586 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:14:55,586 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:14:55,586 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:14:55,606 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-13 01:14:55,636 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 01:14:55,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:14:55,637 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:14:55,646 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 01:14:55,646 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 01:14:55,646 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:14:55,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-10-13 01:14:55,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 01:14:55,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:14:55,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:14:55,654 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-13 01:14:55,654 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-13 01:14:55,662 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 11#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~nondet10, main_#t~ret11, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet9;havoc main_#t~nondet9; 6#L30true assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet10;havoc main_#t~nondet10; 12#L36true assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 19#L41true call main_#t~ret11 := addition(main_~m~0, main_~n~0);< 10#additionENTRYtrue [2021-10-13 01:14:55,663 INFO L793 eck$LassoCheckResult]: Loop: 10#additionENTRYtrue ~m := #in~m;~n := #in~n; 8#L16true assume !(0 == ~n); 16#L19true assume ~n > 0; 17#L20true call #t~ret7 := addition(1 + ~m, ~n - 1);< 10#additionENTRYtrue [2021-10-13 01:14:55,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:55,681 INFO L82 PathProgramCache]: Analyzing trace with hash 28695875, now seen corresponding path program 1 times [2021-10-13 01:14:55,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:14:55,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051356707] [2021-10-13 01:14:55,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:14:55,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:14:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:14:55,813 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:14:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:14:55,886 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:14:55,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:55,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1697202, now seen corresponding path program 1 times [2021-10-13 01:14:55,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:14:55,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636011402] [2021-10-13 01:14:55,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:14:55,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:14:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:14:55,933 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:14:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:14:55,947 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:14:55,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:55,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1295733236, now seen corresponding path program 1 times [2021-10-13 01:14:55,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:14:55,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67084217] [2021-10-13 01:14:55,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:14:55,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:14:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:14:55,982 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:14:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:14:56,015 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:14:56,218 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:14:56,219 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:14:56,219 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:14:56,220 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:14:56,220 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 01:14:56,220 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:56,220 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:14:56,220 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:14:56,221 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration1_Loop [2021-10-13 01:14:56,221 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:14:56,221 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:14:56,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:56,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:56,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:56,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:56,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:56,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:56,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:56,387 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:14:56,388 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 01:14:56,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:56,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:56,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:56,405 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:14:56,405 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:14:56,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 01:14:56,441 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:14:56,441 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_~m=0} Honda state: {addition_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:14:56,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:56,469 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:56,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:56,471 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:56,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 01:14:56,474 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:14:56,478 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:14:56,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:56,521 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:56,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:56,523 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:56,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 01:14:56,527 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 01:14:56,527 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:14:56,563 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:14:56,564 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] [2021-10-13 01:14:56,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:56,612 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:56,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:56,614 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:56,624 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:14:56,624 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:14:56,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 01:14:56,650 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:14:56,651 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret8=0} Honda state: {addition_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:14:56,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:56,690 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:56,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:56,692 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:56,703 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:14:56,704 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:14:56,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 01:14:56,720 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:14:56,720 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:14:56,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-13 01:14:56,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:56,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:56,748 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:56,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 01:14:56,749 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:14:56,750 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:14:56,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:56,801 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:56,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:56,803 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:56,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 01:14:56,806 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 01:14:56,806 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:14:56,854 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 01:14:56,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:56,858 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:14:56,859 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:14:56,859 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:14:56,859 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:14:56,859 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:14:56,859 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:56,859 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:14:56,859 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:14:56,860 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration1_Loop [2021-10-13 01:14:56,860 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:14:56,860 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:14:56,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:56,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:56,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:56,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:56,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:56,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:56,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:57,008 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:14:57,014 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:14:57,016 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:57,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:57,029 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:57,047 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 [2021-10-13 01:14:57,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 01:14:57,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:14:57,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:14:57,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:14:57,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:14:57,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:14:57,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:14:57,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:14:57,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:14:57,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:57,106 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:57,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:57,107 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:57,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 01:14:57,110 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 [2021-10-13 01:14:57,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:14:57,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:14:57,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:14:57,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:14:57,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:14:57,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:14:57,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:14:57,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:14:57,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:57,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:57,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:57,189 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:57,205 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 [2021-10-13 01:14:57,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:14:57,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:14:57,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:14:57,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:14:57,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:14:57,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:14:57,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:14:57,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 01:14:57,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:14:57,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:57,263 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:57,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:57,265 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:57,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 01:14:57,267 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 [2021-10-13 01:14:57,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:14:57,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:14:57,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:14:57,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:14:57,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:14:57,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:14:57,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:14:57,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:14:57,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-10-13 01:14:57,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:57,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:57,310 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:57,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 01:14:57,318 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 [2021-10-13 01:14:57,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:14:57,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:14:57,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:14:57,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:14:57,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:14:57,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:14:57,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:14:57,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:14:57,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:57,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:57,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:57,357 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:57,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 01:14:57,365 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 [2021-10-13 01:14:57,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:14:57,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:14:57,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:14:57,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:14:57,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:14:57,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:14:57,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:14:57,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:14:57,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:57,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:57,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:57,430 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:57,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 01:14:57,432 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 [2021-10-13 01:14:57,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:14:57,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:14:57,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:14:57,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:14:57,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:14:57,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:14:57,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:14:57,454 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:14:57,459 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 01:14:57,460 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 01:14:57,461 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:57,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:57,468 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:57,475 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:14:57,475 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:14:57,476 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:14:57,476 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2021-10-13 01:14:57,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 01:14:57,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:57,526 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 01:14:57,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:14:57,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:14:57,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:14:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:14:57,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:14:57,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:14:57,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:14:57,744 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 [2021-10-13 01:14:57,746 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:57,888 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 73 transitions. Complement of second has 12 states. [2021-10-13 01:14:57,888 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 [2021-10-13 01:14:57,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:57,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-10-13 01:14:57,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-13 01:14:57,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:14:57,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 4 letters. [2021-10-13 01:14:57,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:14:57,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 8 letters. [2021-10-13 01:14:57,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:14:57,898 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 73 transitions. [2021-10-13 01:14:57,905 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 01:14:57,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 27 states and 30 transitions. [2021-10-13 01:14:57,913 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-13 01:14:57,913 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-13 01:14:57,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 30 transitions. [2021-10-13 01:14:57,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:14:57,915 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 30 transitions. [2021-10-13 01:14:57,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 30 transitions. [2021-10-13 01:14:57,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 18. [2021-10-13 01:14:57,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 4 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:14:57,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2021-10-13 01:14:57,950 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-13 01:14:57,950 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-13 01:14:57,950 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:14:57,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2021-10-13 01:14:57,951 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 01:14:57,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:14:57,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:14:57,952 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:14:57,952 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-13 01:14:57,953 INFO L791 eck$LassoCheckResult]: Stem: 143#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 144#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~nondet10, main_#t~ret11, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet9;havoc main_#t~nondet9; 145#L30 assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet10;havoc main_#t~nondet10; 146#L36 assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 140#L41 call main_#t~ret11 := addition(main_~m~0, main_~n~0);< 142#additionENTRY ~m := #in~m;~n := #in~n; 148#L16 assume !(0 == ~n); 149#L19 assume !(~n > 0); 147#L22 [2021-10-13 01:14:57,953 INFO L793 eck$LassoCheckResult]: Loop: 147#L22 assume ~n < 0; 137#L23 call #t~ret8 := addition(~m - 1, 1 + ~n);< 139#additionENTRY ~m := #in~m;~n := #in~n; 154#L16 assume !(0 == ~n); 153#L19 assume !(~n > 0); 147#L22 [2021-10-13 01:14:57,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:57,954 INFO L82 PathProgramCache]: Analyzing trace with hash 180345180, now seen corresponding path program 1 times [2021-10-13 01:14:57,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:14:57,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996966503] [2021-10-13 01:14:57,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:14:57,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:14:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:14:58,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:14:58,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:14:58,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996966503] [2021-10-13 01:14:58,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996966503] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:14:58,098 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:14:58,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 01:14:58,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349924720] [2021-10-13 01:14:58,102 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 01:14:58,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:14:58,106 INFO L82 PathProgramCache]: Analyzing trace with hash 65148085, now seen corresponding path program 1 times [2021-10-13 01:14:58,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:14:58,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399536368] [2021-10-13 01:14:58,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:14:58,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:14:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:14:58,117 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:14:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:14:58,132 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:14:58,348 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:14:58,348 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:14:58,348 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:14:58,348 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:14:58,348 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 01:14:58,349 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:58,349 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:14:58,349 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:14:58,349 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration2_Loop [2021-10-13 01:14:58,349 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:14:58,349 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:14:58,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:58,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:58,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:58,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:58,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:14:58,470 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:14:58,471 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 01:14:58,471 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:58,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:58,472 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:58,484 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:14:58,484 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:14:58,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 01:14:58,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:58,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:58,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:58,535 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:58,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 01:14:58,538 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 01:14:58,538 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:14:58,869 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:14:58,869 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] [2021-10-13 01:14:58,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:58,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:58,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:58,910 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:58,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 01:14:58,915 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:14:58,915 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:14:58,925 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 01:14:58,925 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 01:14:58,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:58,950 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:58,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:58,953 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:58,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 01:14:58,978 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 01:14:58,978 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:14:59,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 01:14:59,022 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:59,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:59,023 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:59,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 01:14:59,024 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 01:14:59,025 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 01:15:08,335 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 01:15:08,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 01:15:08,340 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:15:08,341 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:15:08,341 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:15:08,341 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:15:08,341 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:15:08,341 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:15:08,341 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:15:08,341 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:15:08,341 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition02.c_Iteration2_Loop [2021-10-13 01:15:08,341 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:15:08,341 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:15:08,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:15:08,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:15:08,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:15:08,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:15:08,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:15:08,479 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:15:08,479 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:15:08,479 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:15:08,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:15:08,481 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:15:08,484 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 [2021-10-13 01:15:08,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:15:08,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:15:08,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:15:08,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:15:08,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:15:08,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:15:08,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:15:08,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 01:15:08,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:15:08,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 01:15:08,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:15:08,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:15:08,559 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:15:08,564 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 [2021-10-13 01:15:08,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:15:08,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:15:08,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:15:08,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:15:08,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:15:08,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:15:08,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:15:08,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 01:15:08,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:15:08,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-13 01:15:08,635 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:15:08,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:15:08,636 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:15:08,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 01:15:08,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:15:08,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:15:08,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:15:08,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:15:08,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:15:08,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:15:08,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:15:08,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:15:08,656 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:15:08,665 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 01:15:08,665 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 01:15:08,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:15:08,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:15:08,671 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:15:08,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 01:15:08,675 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:15:08,675 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:15:08,675 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:15:08,675 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2021-10-13 01:15:08,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 01:15:08,701 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 01:15:08,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:15:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:15:08,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 01:15:08,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:15:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:15:08,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:15:08,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:15:08,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:15:08,957 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 [2021-10-13 01:15:08,958 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:15:09,009 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 37 transitions. Complement of second has 13 states. [2021-10-13 01:15:09,009 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 [2021-10-13 01:15:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:15:09,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2021-10-13 01:15:09,046 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 8 letters. Loop has 5 letters. [2021-10-13 01:15:09,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:15:09,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 13 letters. Loop has 5 letters. [2021-10-13 01:15:09,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:15:09,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 8 letters. Loop has 10 letters. [2021-10-13 01:15:09,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:15:09,049 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2021-10-13 01:15:09,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 01:15:09,067 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 27 states and 31 transitions. [2021-10-13 01:15:09,067 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-13 01:15:09,076 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-13 01:15:09,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 31 transitions. [2021-10-13 01:15:09,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:15:09,077 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 31 transitions. [2021-10-13 01:15:09,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 31 transitions. [2021-10-13 01:15:09,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2021-10-13 01:15:09,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.2) internal successors, (24), 20 states have internal predecessors, (24), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:15:09,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-10-13 01:15:09,087 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-10-13 01:15:09,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:15:09,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 01:15:09,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 01:15:09,093 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:15:09,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 01:15:09,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:15:09,163 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2021-10-13 01:15:09,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 01:15:09,164 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2021-10-13 01:15:09,165 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:15:09,166 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2021-10-13 01:15:09,166 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 01:15:09,166 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 01:15:09,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 01:15:09,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:15:09,166 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:15:09,167 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:15:09,167 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:15:09,167 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 01:15:09,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:15:09,167 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:15:09,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 01:15:09,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:15:09 BoogieIcfgContainer [2021-10-13 01:15:09,175 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:15:09,176 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:15:09,176 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:15:09,176 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:15:09,176 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:14:55" (3/4) ... [2021-10-13 01:15:09,180 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:15:09,180 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:15:09,182 INFO L168 Benchmark]: Toolchain (without parser) took 14571.08 ms. Allocated memory was 115.3 MB in the beginning and 155.2 MB in the end (delta: 39.8 MB). Free memory was 72.8 MB in the beginning and 123.6 MB in the end (delta: -50.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:15:09,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-13 01:15:09,189 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 115.3 MB. Free memory was 88.8 MB in the beginning and 88.8 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:15:09,190 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.70 ms. Allocated memory is still 115.3 MB. Free memory was 72.5 MB in the beginning and 89.9 MB in the end (delta: -17.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:15:09,190 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.44 ms. Allocated memory is still 115.3 MB. Free memory was 89.9 MB in the beginning and 88.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:15:09,191 INFO L168 Benchmark]: Boogie Preprocessor took 29.99 ms. Allocated memory is still 115.3 MB. Free memory was 88.5 MB in the beginning and 87.5 MB in the end (delta: 968.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:15:09,191 INFO L168 Benchmark]: RCFGBuilder took 464.46 ms. Allocated memory is still 115.3 MB. Free memory was 87.5 MB in the beginning and 77.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:15:09,192 INFO L168 Benchmark]: BuchiAutomizer took 13721.02 ms. Allocated memory was 115.3 MB in the beginning and 155.2 MB in the end (delta: 39.8 MB). Free memory was 77.7 MB in the beginning and 124.7 MB in the end (delta: -47.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:15:09,192 INFO L168 Benchmark]: Witness Printer took 4.50 ms. Allocated memory is still 155.2 MB. Free memory is still 123.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:15:09,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 115.3 MB. Free memory was 88.8 MB in the beginning and 88.8 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 295.70 ms. Allocated memory is still 115.3 MB. Free memory was 72.5 MB in the beginning and 89.9 MB in the end (delta: -17.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.44 ms. Allocated memory is still 115.3 MB. Free memory was 89.9 MB in the beginning and 88.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.99 ms. Allocated memory is still 115.3 MB. Free memory was 88.5 MB in the beginning and 87.5 MB in the end (delta: 968.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 464.46 ms. Allocated memory is still 115.3 MB. Free memory was 87.5 MB in the beginning and 77.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 13721.02 ms. Allocated memory was 115.3 MB in the beginning and 155.2 MB in the end (delta: 39.8 MB). Free memory was 77.7 MB in the beginning and 124.7 MB in the end (delta: -47.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.50 ms. Allocated memory is still 155.2 MB. Free memory is still 123.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 4 locations. One deterministic module has affine ranking function -1 * n and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 12.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 26.5ms AutomataMinimizationTime, 2 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 18 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 30 SDtfs, 39 SDslu, 18 SDs, 0 SdLazy, 69 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 79.5ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp67 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf93 smp87 dnf100 smp100 tf111 neg97 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 61ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 10.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 01:15:09,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d7a05d-4e5e-4607-9784-b99abcc20aae/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...