./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6be24da-50ad-460a-9dae-936105a3acc6/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6be24da-50ad-460a-9dae-936105a3acc6/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6be24da-50ad-460a-9dae-936105a3acc6/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6be24da-50ad-460a-9dae-936105a3acc6/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6be24da-50ad-460a-9dae-936105a3acc6/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6be24da-50ad-460a-9dae-936105a3acc6/bin/uautomizer-j4sWxH34Be --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 0f3b0d142baee8cbc0d28dcbe833051279dd5d6878fcdab3b48f99976c6aec58 ....................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:41:45,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:41:45,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:41:45,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:41:45,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:41:45,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:41:45,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:41:45,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:41:45,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:41:45,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:41:45,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:41:45,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:41:45,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:41:45,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:41:45,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:41:45,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:41:45,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:41:45,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:41:45,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:41:45,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:41:45,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:41:45,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:41:45,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:41:45,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:41:45,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:41:45,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:41:45,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:41:45,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:41:45,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:41:45,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:41:45,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:41:45,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:41:45,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:41:45,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:41:45,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:41:45,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:41:45,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:41:45,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:41:45,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:41:45,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:41:45,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:41:45,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6be24da-50ad-460a-9dae-936105a3acc6/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:41:45,261 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:41:45,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:41:45,262 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:41:45,262 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:41:45,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:41:45,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:41:45,265 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:41:45,265 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:41:45,265 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:41:45,266 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:41:45,267 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:41:45,267 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:41:45,267 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:41:45,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:41:45,268 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:41:45,268 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:41:45,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:41:45,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:41:45,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:41:45,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:41:45,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:41:45,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:41:45,270 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:41:45,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:41:45,270 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:41:45,270 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:41:45,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:41:45,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:41:45,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:41:45,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:41:45,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:41:45,274 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:41:45,275 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:41:45,275 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_c6be24da-50ad-460a-9dae-936105a3acc6/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6be24da-50ad-460a-9dae-936105a3acc6/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f3b0d142baee8cbc0d28dcbe833051279dd5d6878fcdab3b48f99976c6aec58 [2021-10-21 19:41:45,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:41:45,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:41:45,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:41:45,713 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:41:45,714 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:41:45,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6be24da-50ad-460a-9dae-936105a3acc6/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/floats-cdfpl/newton_2_2.i [2021-10-21 19:41:45,805 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6be24da-50ad-460a-9dae-936105a3acc6/bin/uautomizer-j4sWxH34Be/data/91f126a4e/352f244697b24a22a474f18e18849a1e/FLAG6c246002f [2021-10-21 19:41:46,402 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:41:46,404 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6be24da-50ad-460a-9dae-936105a3acc6/sv-benchmarks/c/floats-cdfpl/newton_2_2.i [2021-10-21 19:41:46,418 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6be24da-50ad-460a-9dae-936105a3acc6/bin/uautomizer-j4sWxH34Be/data/91f126a4e/352f244697b24a22a474f18e18849a1e/FLAG6c246002f [2021-10-21 19:41:46,725 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6be24da-50ad-460a-9dae-936105a3acc6/bin/uautomizer-j4sWxH34Be/data/91f126a4e/352f244697b24a22a474f18e18849a1e [2021-10-21 19:41:46,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:41:46,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:41:46,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:41:46,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:41:46,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:41:46,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:41:46" (1/1) ... [2021-10-21 19:41:46,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d7dc550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:41:46, skipping insertion in model container [2021-10-21 19:41:46,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:41:46" (1/1) ... [2021-10-21 19:41:46,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:41:46,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:41:47,026 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_c6be24da-50ad-460a-9dae-936105a3acc6/sv-benchmarks/c/floats-cdfpl/newton_2_2.i[1245,1258] [2021-10-21 19:41:47,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:41:47,038 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:41:47,062 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_c6be24da-50ad-460a-9dae-936105a3acc6/sv-benchmarks/c/floats-cdfpl/newton_2_2.i[1245,1258] [2021-10-21 19:41:47,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:41:47,079 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:41:47,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:41:47 WrapperNode [2021-10-21 19:41:47,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:41:47,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:41:47,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:41:47,082 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:41:47,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:41:47" (1/1) ... [2021-10-21 19:41:47,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:41:47" (1/1) ... [2021-10-21 19:41:47,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:41:47,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:41:47,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:41:47,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:41:47,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:41:47" (1/1) ... [2021-10-21 19:41:47,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:41:47" (1/1) ... [2021-10-21 19:41:47,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:41:47" (1/1) ... [2021-10-21 19:41:47,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:41:47" (1/1) ... [2021-10-21 19:41:47,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:41:47" (1/1) ... [2021-10-21 19:41:47,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:41:47" (1/1) ... [2021-10-21 19:41:47,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:41:47" (1/1) ... [2021-10-21 19:41:47,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:41:47,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:41:47,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:41:47,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:41:47,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:41:47" (1/1) ... [2021-10-21 19:41:47,174 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:41:47,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6be24da-50ad-460a-9dae-936105a3acc6/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:41:47,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6be24da-50ad-460a-9dae-936105a3acc6/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:41:47,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6be24da-50ad-460a-9dae-936105a3acc6/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:41:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:41:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:41:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:41:47,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:41:47,536 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:41:47,549 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-21 19:41:47,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:41:47 BoogieIcfgContainer [2021-10-21 19:41:47,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:41:47,554 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:41:47,554 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:41:47,558 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:41:47,559 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:41:47,559 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:41:46" (1/3) ... [2021-10-21 19:41:47,560 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73f3f3cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:41:47, skipping insertion in model container [2021-10-21 19:41:47,561 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:41:47,561 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:41:47" (2/3) ... [2021-10-21 19:41:47,562 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73f3f3cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:41:47, skipping insertion in model container [2021-10-21 19:41:47,562 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:41:47,562 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:41:47" (3/3) ... [2021-10-21 19:41:47,564 INFO L389 chiAutomizerObserver]: Analyzing ICFG newton_2_2.i [2021-10-21 19:41:47,618 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:41:47,624 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:41:47,624 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:41:47,625 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:41:47,625 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:41:47,625 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:41:47,625 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:41:47,625 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:41:47,675 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:41:47,714 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:41:47,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:41:47,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:41:47 BoogieIcfgContainer [2021-10-21 19:41:47,720 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:41:47,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:41:47,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:41:47,721 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:41:47,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:41:47" (3/4) ... [2021-10-21 19:41:47,739 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:41:47,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:41:47,742 INFO L168 Benchmark]: Toolchain (without parser) took 1011.80 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 52.5 MB in the beginning and 78.5 MB in the end (delta: -26.0 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:41:47,743 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory is still 68.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:41:47,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.79 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 52.3 MB in the beginning and 95.7 MB in the end (delta: -43.4 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:41:47,746 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.90 ms. Allocated memory is still 119.5 MB. Free memory was 95.7 MB in the beginning and 93.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:41:47,747 INFO L168 Benchmark]: Boogie Preprocessor took 25.66 ms. Allocated memory is still 119.5 MB. Free memory was 93.8 MB in the beginning and 92.9 MB in the end (delta: 985.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:41:47,748 INFO L168 Benchmark]: RCFGBuilder took 399.54 ms. Allocated memory is still 119.5 MB. Free memory was 92.9 MB in the beginning and 83.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:41:47,750 INFO L168 Benchmark]: BuchiAutomizer took 166.35 ms. Allocated memory is still 119.5 MB. Free memory was 83.7 MB in the beginning and 79.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:41:47,751 INFO L168 Benchmark]: Witness Printer took 18.62 ms. Allocated memory is still 119.5 MB. Free memory was 78.9 MB in the beginning and 78.5 MB in the end (delta: 367.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:41:47,765 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory is still 68.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 350.79 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 52.3 MB in the beginning and 95.7 MB in the end (delta: -43.4 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.90 ms. Allocated memory is still 119.5 MB. Free memory was 95.7 MB in the beginning and 93.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.66 ms. Allocated memory is still 119.5 MB. Free memory was 93.8 MB in the beginning and 92.9 MB in the end (delta: 985.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 399.54 ms. Allocated memory is still 119.5 MB. Free memory was 92.9 MB in the beginning and 83.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 166.35 ms. Allocated memory is still 119.5 MB. Free memory was 83.7 MB in the beginning and 79.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 18.62 ms. Allocated memory is still 119.5 MB. Free memory was 78.9 MB in the beginning and 78.5 MB in the end (delta: 367.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.1s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:41:47,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6be24da-50ad-460a-9dae-936105a3acc6/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...