./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/NoNegativeIntegerConstant.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28944b2b-25a7-46a4-91f1-de066edb7a17/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28944b2b-25a7-46a4-91f1-de066edb7a17/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28944b2b-25a7-46a4-91f1-de066edb7a17/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28944b2b-25a7-46a4-91f1-de066edb7a17/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/NoNegativeIntegerConstant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28944b2b-25a7-46a4-91f1-de066edb7a17/bin/uautomizer-ZXIjhQolGL/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28944b2b-25a7-46a4-91f1-de066edb7a17/bin/uautomizer-ZXIjhQolGL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash efdefce34cf14810e5ec1d77e1f554e2bed3f5bebae91d0e56823b49df9d7d1a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:15:24,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:15:24,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:15:24,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:15:24,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:15:24,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:15:24,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:15:24,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:15:24,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:15:24,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:15:24,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:15:24,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:15:24,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:15:24,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:15:24,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:15:24,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:15:24,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:15:24,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:15:24,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:15:24,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:15:24,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:15:24,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:15:24,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:15:24,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:15:24,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:15:24,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:15:24,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:15:24,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:15:24,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:15:24,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:15:24,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:15:24,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:15:24,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:15:24,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:15:24,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:15:24,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:15:24,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:15:24,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:15:24,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:15:24,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:15:24,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:15:24,467 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28944b2b-25a7-46a4-91f1-de066edb7a17/bin/uautomizer-ZXIjhQolGL/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-11-19 05:15:24,497 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:15:24,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:15:24,497 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:15:24,497 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:15:24,498 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:15:24,499 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:15:24,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:15:24,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:15:24,500 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:15:24,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:15:24,500 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 05:15:24,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:15:24,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:15:24,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:15:24,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:15:24,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:15:24,501 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-19 05:15:24,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:15:24,502 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:15:24,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:15:24,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:15:24,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:15:24,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:15:24,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:15:24,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:15:24,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:15:24,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:15:24,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:15:24,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:15:24,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:15:24,505 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:15:24,505 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_28944b2b-25a7-46a4-91f1-de066edb7a17/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28944b2b-25a7-46a4-91f1-de066edb7a17/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efdefce34cf14810e5ec1d77e1f554e2bed3f5bebae91d0e56823b49df9d7d1a [2021-11-19 05:15:24,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:15:24,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:15:24,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:15:24,916 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:15:24,917 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:15:24,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28944b2b-25a7-46a4-91f1-de066edb7a17/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/signedintegeroverflow-regression/NoNegativeIntegerConstant.i [2021-11-19 05:15:25,011 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28944b2b-25a7-46a4-91f1-de066edb7a17/bin/uautomizer-ZXIjhQolGL/data/a3f5eef69/5acfda5f6e4c440e84ba71d8823bc47b/FLAG1e8249630 [2021-11-19 05:15:25,636 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:15:25,636 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28944b2b-25a7-46a4-91f1-de066edb7a17/sv-benchmarks/c/signedintegeroverflow-regression/NoNegativeIntegerConstant.i [2021-11-19 05:15:25,656 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28944b2b-25a7-46a4-91f1-de066edb7a17/bin/uautomizer-ZXIjhQolGL/data/a3f5eef69/5acfda5f6e4c440e84ba71d8823bc47b/FLAG1e8249630 [2021-11-19 05:15:25,913 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28944b2b-25a7-46a4-91f1-de066edb7a17/bin/uautomizer-ZXIjhQolGL/data/a3f5eef69/5acfda5f6e4c440e84ba71d8823bc47b [2021-11-19 05:15:25,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:15:25,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:15:25,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:15:25,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:15:25,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:15:25,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:25" (1/1) ... [2021-11-19 05:15:25,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cdc48c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:25, skipping insertion in model container [2021-11-19 05:15:25,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:25" (1/1) ... [2021-11-19 05:15:25,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:15:25,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:15:26,327 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:15:26,351 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:15:26,418 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:15:26,449 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:15:26,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:26 WrapperNode [2021-11-19 05:15:26,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:15:26,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:15:26,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:15:26,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:15:26,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:26" (1/1) ... [2021-11-19 05:15:26,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:26" (1/1) ... [2021-11-19 05:15:26,512 INFO L137 Inliner]: procedures = 109, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2021-11-19 05:15:26,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:15:26,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:15:26,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:15:26,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:15:26,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:26" (1/1) ... [2021-11-19 05:15:26,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:26" (1/1) ... [2021-11-19 05:15:26,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:26" (1/1) ... [2021-11-19 05:15:26,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:26" (1/1) ... [2021-11-19 05:15:26,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:26" (1/1) ... [2021-11-19 05:15:26,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:26" (1/1) ... [2021-11-19 05:15:26,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:26" (1/1) ... [2021-11-19 05:15:26,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:15:26,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:15:26,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:15:26,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:15:26,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:26" (1/1) ... [2021-11-19 05:15:26,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:15:26,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28944b2b-25a7-46a4-91f1-de066edb7a17/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:15:26,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28944b2b-25a7-46a4-91f1-de066edb7a17/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:15:26,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28944b2b-25a7-46a4-91f1-de066edb7a17/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:15:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:15:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:15:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:15:26,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:15:26,783 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:15:26,791 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:15:26,871 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:15:26,877 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:15:26,877 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 05:15:26,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:26 BoogieIcfgContainer [2021-11-19 05:15:26,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:15:26,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:15:26,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:15:26,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:15:26,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:15:25" (1/3) ... [2021-11-19 05:15:26,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681322c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:26, skipping insertion in model container [2021-11-19 05:15:26,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:26" (2/3) ... [2021-11-19 05:15:26,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681322c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:26, skipping insertion in model container [2021-11-19 05:15:26,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:26" (3/3) ... [2021-11-19 05:15:26,907 INFO L111 eAbstractionObserver]: Analyzing ICFG NoNegativeIntegerConstant.i [2021-11-19 05:15:26,914 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:15:26,914 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-19 05:15:26,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681322c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:15:26, skipping insertion in model container [2021-11-19 05:15:26,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 05:15:26,931 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:15:26,932 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:15:26,932 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:15:26,932 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:26" (3/3) ... [2021-11-19 05:15:26,936 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 05:15:26,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-19 05:15:26,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-19 05:15:26,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 05:15:26,961 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 05:15:27,013 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28944b2b-25a7-46a4-91f1-de066edb7a17/bin/uautomizer-ZXIjhQolGL/witness.graphml [2021-11-19 05:15:27,013 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:15:27,015 INFO L158 Benchmark]: Toolchain (without parser) took 1096.06ms. Allocated memory is still 96.5MB. Free memory was 58.0MB in the beginning and 56.0MB in the end (delta: 2.0MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2021-11-19 05:15:27,015 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 96.5MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:15:27,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.29ms. Allocated memory is still 96.5MB. Free memory was 57.8MB in the beginning and 70.0MB in the end (delta: -12.2MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2021-11-19 05:15:27,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.18ms. Allocated memory is still 96.5MB. Free memory was 70.0MB in the beginning and 68.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:15:27,017 INFO L158 Benchmark]: Boogie Preprocessor took 41.11ms. Allocated memory is still 96.5MB. Free memory was 68.5MB in the beginning and 67.5MB in the end (delta: 943.7kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 05:15:27,018 INFO L158 Benchmark]: RCFGBuilder took 325.20ms. Allocated memory is still 96.5MB. Free memory was 67.5MB in the beginning and 59.5MB in the end (delta: 8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 05:15:27,019 INFO L158 Benchmark]: TraceAbstraction took 48.15ms. Allocated memory is still 96.5MB. Free memory was 59.1MB in the beginning and 58.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:15:27,020 INFO L158 Benchmark]: Witness Printer took 81.67ms. Allocated memory is still 96.5MB. Free memory was 58.1MB in the beginning and 56.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:15:27,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 96.5MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.29ms. Allocated memory is still 96.5MB. Free memory was 57.8MB in the beginning and 70.0MB in the end (delta: -12.2MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.18ms. Allocated memory is still 96.5MB. Free memory was 70.0MB in the beginning and 68.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.11ms. Allocated memory is still 96.5MB. Free memory was 68.5MB in the beginning and 67.5MB in the end (delta: 943.7kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 325.20ms. Allocated memory is still 96.5MB. Free memory was 67.5MB in the beginning and 59.5MB in the end (delta: 8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 48.15ms. Allocated memory is still 96.5MB. Free memory was 59.1MB in the beginning and 58.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 81.67ms. Allocated memory is still 96.5MB. Free memory was 58.1MB in the beginning and 56.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-11-19 05:15:27,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28944b2b-25a7-46a4-91f1-de066edb7a17/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE