./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f .................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:48:51,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:48:51,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:48:52,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:48:52,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:48:52,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:48:52,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:48:52,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:48:52,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:48:52,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:48:52,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:48:52,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:48:52,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:48:52,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:48:52,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:48:52,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:48:52,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:48:52,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:48:52,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:48:52,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:48:52,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:48:52,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:48:52,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:48:52,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:48:52,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:48:52,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:48:52,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:48:52,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:48:52,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:48:52,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:48:52,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:48:52,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:48:52,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:48:52,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:48:52,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:48:52,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:48:52,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:48:52,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:48:52,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:48:52,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:48:52,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:48:52,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 22:48:52,215 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:48:52,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:48:52,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:48:52,217 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:48:52,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:48:52,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:48:52,219 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:48:52,220 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 22:48:52,220 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 22:48:52,220 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 22:48:52,222 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 22:48:52,222 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 22:48:52,222 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 22:48:52,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:48:52,223 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:48:52,223 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:48:52,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:48:52,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:48:52,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:48:52,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 22:48:52,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 22:48:52,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 22:48:52,225 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:48:52,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:48:52,226 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 22:48:52,226 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:48:52,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 22:48:52,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:48:52,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:48:52,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:48:52,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:48:52,230 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:48:52,231 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 22:48:52,232 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_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f [2021-10-28 22:48:52,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:48:52,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:48:52,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:48:52,634 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:48:52,635 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:48:52,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/floats-cbmc-regression/float22.i [2021-10-28 22:48:52,707 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/bin/uautomizer-GMMbpWq8iD/data/91fac42ac/369934600576471c840e78312bba55e6/FLAGe2c914a0d [2021-10-28 22:48:53,414 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:48:53,414 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/sv-benchmarks/c/floats-cbmc-regression/float22.i [2021-10-28 22:48:53,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/bin/uautomizer-GMMbpWq8iD/data/91fac42ac/369934600576471c840e78312bba55e6/FLAGe2c914a0d [2021-10-28 22:48:53,741 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/bin/uautomizer-GMMbpWq8iD/data/91fac42ac/369934600576471c840e78312bba55e6 [2021-10-28 22:48:53,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:48:53,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:48:53,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:48:53,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:48:53,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:48:53,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:48:53" (1/1) ... [2021-10-28 22:48:53,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8be47b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:53, skipping insertion in model container [2021-10-28 22:48:53,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:48:53" (1/1) ... [2021-10-28 22:48:53,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:48:53,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:48:54,030 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_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2021-10-28 22:48:54,033 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_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2021-10-28 22:48:54,035 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_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2021-10-28 22:48:54,038 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_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2021-10-28 22:48:54,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:48:54,050 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:48:54,077 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_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2021-10-28 22:48:54,081 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_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2021-10-28 22:48:54,083 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_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2021-10-28 22:48:54,086 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_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2021-10-28 22:48:54,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:48:54,104 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:48:54,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:54 WrapperNode [2021-10-28 22:48:54,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:48:54,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:48:54,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:48:54,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:48:54,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:54" (1/1) ... [2021-10-28 22:48:54,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:54" (1/1) ... [2021-10-28 22:48:54,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:48:54,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:48:54,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:48:54,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:48:54,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:54" (1/1) ... [2021-10-28 22:48:54,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:54" (1/1) ... [2021-10-28 22:48:54,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:54" (1/1) ... [2021-10-28 22:48:54,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:54" (1/1) ... [2021-10-28 22:48:54,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:54" (1/1) ... [2021-10-28 22:48:54,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:54" (1/1) ... [2021-10-28 22:48:54,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:54" (1/1) ... [2021-10-28 22:48:54,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:48:54,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:48:54,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:48:54,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:48:54,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:54" (1/1) ... [2021-10-28 22:48:54,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:48:54,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:48:54,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:48:54,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 22:48:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:48:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:48:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-28 22:48:54,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 22:48:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-28 22:48:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:48:54,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:48:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 22:48:54,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 22:48:55,161 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:48:55,162 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-28 22:48:55,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:48:55 BoogieIcfgContainer [2021-10-28 22:48:55,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:48:55,166 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 22:48:55,166 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 22:48:55,170 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 22:48:55,170 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:48:55,171 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:48:53" (1/3) ... [2021-10-28 22:48:55,174 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7412661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:48:55, skipping insertion in model container [2021-10-28 22:48:55,174 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:48:55,175 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:54" (2/3) ... [2021-10-28 22:48:55,176 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7412661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:48:55, skipping insertion in model container [2021-10-28 22:48:55,176 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:48:55,176 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:48:55" (3/3) ... [2021-10-28 22:48:55,177 INFO L389 chiAutomizerObserver]: Analyzing ICFG float22.i [2021-10-28 22:48:55,262 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 22:48:55,262 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 22:48:55,262 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 22:48:55,263 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 22:48:55,263 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 22:48:55,263 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 22:48:55,263 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 22:48:55,263 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 22:48:55,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:48:55,311 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:48:55,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 22:48:55,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 10:48:55 BoogieIcfgContainer [2021-10-28 22:48:55,317 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 22:48:55,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:48:55,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:48:55,319 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:48:55,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:48:55" (3/4) ... [2021-10-28 22:48:55,324 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 22:48:55,324 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:48:55,328 INFO L168 Benchmark]: Toolchain (without parser) took 1579.39 ms. Allocated memory was 115.3 MB in the beginning and 144.7 MB in the end (delta: 29.4 MB). Free memory was 85.9 MB in the beginning and 113.6 MB in the end (delta: -27.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:48:55,330 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 115.3 MB. Free memory was 68.7 MB in the beginning and 68.7 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:48:55,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.93 ms. Allocated memory is still 115.3 MB. Free memory was 85.9 MB in the beginning and 88.9 MB in the end (delta: -2.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:48:55,333 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.49 ms. Allocated memory is still 115.3 MB. Free memory was 88.9 MB in the beginning and 86.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:48:55,335 INFO L168 Benchmark]: Boogie Preprocessor took 44.58 ms. Allocated memory is still 115.3 MB. Free memory was 86.4 MB in the beginning and 84.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:48:55,337 INFO L168 Benchmark]: RCFGBuilder took 916.86 ms. Allocated memory was 115.3 MB in the beginning and 144.7 MB in the end (delta: 29.4 MB). Free memory was 84.2 MB in the beginning and 119.0 MB in the end (delta: -34.8 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:48:55,339 INFO L168 Benchmark]: BuchiAutomizer took 151.99 ms. Allocated memory is still 144.7 MB. Free memory was 119.0 MB in the beginning and 114.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:48:55,340 INFO L168 Benchmark]: Witness Printer took 5.53 ms. Allocated memory is still 144.7 MB. Free memory was 114.2 MB in the beginning and 113.6 MB in the end (delta: 627.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:48:55,350 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 115.3 MB. Free memory was 68.7 MB in the beginning and 68.7 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 349.93 ms. Allocated memory is still 115.3 MB. Free memory was 85.9 MB in the beginning and 88.9 MB in the end (delta: -2.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.49 ms. Allocated memory is still 115.3 MB. Free memory was 88.9 MB in the beginning and 86.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.58 ms. Allocated memory is still 115.3 MB. Free memory was 86.4 MB in the beginning and 84.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 916.86 ms. Allocated memory was 115.3 MB in the beginning and 144.7 MB in the end (delta: 29.4 MB). Free memory was 84.2 MB in the beginning and 119.0 MB in the end (delta: -34.8 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 151.99 ms. Allocated memory is still 144.7 MB. Free memory was 119.0 MB in the beginning and 114.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.53 ms. Allocated memory is still 144.7 MB. Free memory was 114.2 MB in the beginning and 113.6 MB in the end (delta: 627.0 kB). 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 Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s 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! [2021-10-28 22:48:55,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bacfe950-1ee2-4fca-b98d-e3c706ddbd1a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...