./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cdfpl/square_5.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_2d128bd3-5907-4496-b034-51352d55bed7/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d128bd3-5907-4496-b034-51352d55bed7/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_2d128bd3-5907-4496-b034-51352d55bed7/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d128bd3-5907-4496-b034-51352d55bed7/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d128bd3-5907-4496-b034-51352d55bed7/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_2d128bd3-5907-4496-b034-51352d55bed7/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 700bf82fe4be573ef293bde4f3c925a5d50f301b4781d1ff775c75754a175e52 ....................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:32:11,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:32:11,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:32:11,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:32:11,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:32:11,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:32:11,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:32:11,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:32:11,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:32:11,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:32:11,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:32:11,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:32:11,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:32:11,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:32:11,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:32:11,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:32:11,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:32:11,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:32:11,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:32:11,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:32:11,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:32:11,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:32:11,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:32:11,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:32:11,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:32:11,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:32:11,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:32:11,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:32:11,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:32:11,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:32:11,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:32:11,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:32:11,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:32:11,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:32:11,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:32:11,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:32:11,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:32:11,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:32:11,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:32:11,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:32:11,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:32:11,397 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d128bd3-5907-4496-b034-51352d55bed7/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:32:11,429 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:32:11,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:32:11,430 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:32:11,431 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:32:11,433 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:32:11,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:32:11,434 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:32:11,435 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:32:11,435 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:32:11,436 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:32:11,436 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:32:11,437 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:32:11,437 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:32:11,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:32:11,438 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:32:11,439 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:32:11,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:32:11,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:32:11,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:32:11,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:32:11,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:32:11,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:32:11,442 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:32:11,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:32:11,443 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:32:11,444 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:32:11,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:32:11,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:32:11,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:32:11,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:32:11,446 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:32:11,447 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:32:11,448 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:32:11,449 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_2d128bd3-5907-4496-b034-51352d55bed7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d128bd3-5907-4496-b034-51352d55bed7/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 700bf82fe4be573ef293bde4f3c925a5d50f301b4781d1ff775c75754a175e52 [2021-10-28 23:32:11,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:32:11,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:32:11,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:32:11,797 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:32:11,798 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:32:11,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d128bd3-5907-4496-b034-51352d55bed7/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/floats-cdfpl/square_5.i [2021-10-28 23:32:11,878 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d128bd3-5907-4496-b034-51352d55bed7/bin/uautomizer-GMMbpWq8iD/data/68d843fbf/da0f468cc30a403a818d091454f11433/FLAG73a22b4bc [2021-10-28 23:32:12,425 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:32:12,427 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d128bd3-5907-4496-b034-51352d55bed7/sv-benchmarks/c/floats-cdfpl/square_5.i [2021-10-28 23:32:12,445 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d128bd3-5907-4496-b034-51352d55bed7/bin/uautomizer-GMMbpWq8iD/data/68d843fbf/da0f468cc30a403a818d091454f11433/FLAG73a22b4bc [2021-10-28 23:32:12,740 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d128bd3-5907-4496-b034-51352d55bed7/bin/uautomizer-GMMbpWq8iD/data/68d843fbf/da0f468cc30a403a818d091454f11433 [2021-10-28 23:32:12,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:32:12,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:32:12,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:32:12,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:32:12,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:32:12,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:32:12" (1/1) ... [2021-10-28 23:32:12,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60664f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:12, skipping insertion in model container [2021-10-28 23:32:12,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:32:12" (1/1) ... [2021-10-28 23:32:12,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:32:12,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:32:12,983 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_2d128bd3-5907-4496-b034-51352d55bed7/sv-benchmarks/c/floats-cdfpl/square_5.i[1130,1143] [2021-10-28 23:32:12,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:32:12,999 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:32:13,017 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_2d128bd3-5907-4496-b034-51352d55bed7/sv-benchmarks/c/floats-cdfpl/square_5.i[1130,1143] [2021-10-28 23:32:13,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:32:13,034 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:32:13,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:13 WrapperNode [2021-10-28 23:32:13,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:32:13,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:32:13,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:32:13,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:32:13,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:13" (1/1) ... [2021-10-28 23:32:13,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:13" (1/1) ... [2021-10-28 23:32:13,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:32:13,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:32:13,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:32:13,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:32:13,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:13" (1/1) ... [2021-10-28 23:32:13,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:13" (1/1) ... [2021-10-28 23:32:13,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:13" (1/1) ... [2021-10-28 23:32:13,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:13" (1/1) ... [2021-10-28 23:32:13,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:13" (1/1) ... [2021-10-28 23:32:13,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:13" (1/1) ... [2021-10-28 23:32:13,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:13" (1/1) ... [2021-10-28 23:32:13,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:32:13,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:32:13,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:32:13,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:32:13,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:13" (1/1) ... [2021-10-28 23:32:13,116 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:32:13,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d128bd3-5907-4496-b034-51352d55bed7/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:32:13,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d128bd3-5907-4496-b034-51352d55bed7/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:32:13,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d128bd3-5907-4496-b034-51352d55bed7/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:32:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:32:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:32:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:32:13,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:32:13,427 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:32:13,427 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 23:32:13,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:32:13 BoogieIcfgContainer [2021-10-28 23:32:13,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:32:13,442 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:32:13,442 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:32:13,446 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:32:13,447 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:32:13,448 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:32:12" (1/3) ... [2021-10-28 23:32:13,450 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@241a3680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:32:13, skipping insertion in model container [2021-10-28 23:32:13,450 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:32:13,451 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:32:13" (2/3) ... [2021-10-28 23:32:13,451 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@241a3680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:32:13, skipping insertion in model container [2021-10-28 23:32:13,451 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:32:13,451 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:32:13" (3/3) ... [2021-10-28 23:32:13,453 INFO L389 chiAutomizerObserver]: Analyzing ICFG square_5.i [2021-10-28 23:32:13,505 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:32:13,505 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:32:13,506 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:32:13,506 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:32:13,506 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:32:13,506 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:32:13,506 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:32:13,506 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:32:13,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 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 23:32:13,541 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:32:13,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:32:13,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:32:13 BoogieIcfgContainer [2021-10-28 23:32:13,548 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:32:13,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:32:13,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:32:13,549 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:32:13,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:32:13" (3/4) ... [2021-10-28 23:32:13,554 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:32:13,554 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:32:13,557 INFO L168 Benchmark]: Toolchain (without parser) took 810.00 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 47.8 MB in the beginning and 72.4 MB in the end (delta: -24.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:32:13,558 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory is still 64.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:32:13,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.42 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 47.5 MB in the beginning and 89.1 MB in the end (delta: -41.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:32:13,561 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.59 ms. Allocated memory is still 113.2 MB. Free memory was 89.1 MB in the beginning and 87.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:32:13,562 INFO L168 Benchmark]: Boogie Preprocessor took 25.02 ms. Allocated memory is still 113.2 MB. Free memory was 87.5 MB in the beginning and 86.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:32:13,563 INFO L168 Benchmark]: RCFGBuilder took 326.20 ms. Allocated memory is still 113.2 MB. Free memory was 86.4 MB in the beginning and 78.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:32:13,564 INFO L168 Benchmark]: BuchiAutomizer took 106.29 ms. Allocated memory is still 113.2 MB. Free memory was 77.3 MB in the beginning and 72.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:32:13,565 INFO L168 Benchmark]: Witness Printer took 5.44 ms. Allocated memory is still 113.2 MB. Free memory is still 72.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:32:13,572 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory is still 64.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 287.42 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 47.5 MB in the beginning and 89.1 MB in the end (delta: -41.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.59 ms. Allocated memory is still 113.2 MB. Free memory was 89.1 MB in the beginning and 87.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.02 ms. Allocated memory is still 113.2 MB. Free memory was 87.5 MB in the beginning and 86.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 326.20 ms. Allocated memory is still 113.2 MB. Free memory was 86.4 MB in the beginning and 78.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 106.29 ms. Allocated memory is still 113.2 MB. Free memory was 77.3 MB in the beginning and 72.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.44 ms. Allocated memory is still 113.2 MB. Free memory is still 72.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program 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 23:32:13,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d128bd3-5907-4496-b034-51352d55bed7/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...