./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8511431c-23e1-4e77-8a8e-480fd15c3d29/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8511431c-23e1-4e77-8a8e-480fd15c3d29/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8511431c-23e1-4e77-8a8e-480fd15c3d29/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8511431c-23e1-4e77-8a8e-480fd15c3d29/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/NoNegativeIntegerConstant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8511431c-23e1-4e77-8a8e-480fd15c3d29/bin/utaipan-SDwSMHVbGG/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8511431c-23e1-4e77-8a8e-480fd15c3d29/bin/utaipan-SDwSMHVbGG --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash efdefce34cf14810e5ec1d77e1f554e2bed3f5bebae91d0e56823b49df9d7d1a .............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:41:15,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:41:15,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:41:15,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:41:15,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:41:15,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:41:15,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:41:15,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:41:15,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:41:15,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:41:15,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:41:15,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:41:15,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:41:15,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:41:15,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:41:15,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:41:15,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:41:15,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:41:15,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:41:15,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:41:15,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:41:15,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:41:15,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:41:15,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:41:15,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:41:15,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:41:15,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:41:15,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:41:15,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:41:15,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:41:15,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:41:15,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:41:15,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:41:15,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:41:15,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:41:15,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:41:15,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:41:15,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:41:15,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:41:15,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:41:15,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:41:15,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8511431c-23e1-4e77-8a8e-480fd15c3d29/bin/utaipan-SDwSMHVbGG/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-10-29 04:41:15,581 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:41:15,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:41:15,582 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:41:15,583 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 04:41:15,583 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 04:41:15,583 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 04:41:15,584 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 04:41:15,584 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 04:41:15,590 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 04:41:15,590 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 04:41:15,591 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 04:41:15,592 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 04:41:15,592 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 04:41:15,592 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 04:41:15,593 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 04:41:15,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:41:15,594 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:41:15,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:41:15,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:41:15,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:41:15,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:41:15,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:41:15,595 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 04:41:15,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:41:15,596 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:41:15,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:41:15,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:41:15,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 04:41:15,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:41:15,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:41:15,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:41:15,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:41:15,599 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 04:41:15,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:41:15,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:41:15,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 04:41:15,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 04:41:15,600 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8511431c-23e1-4e77-8a8e-480fd15c3d29/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8511431c-23e1-4e77-8a8e-480fd15c3d29/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efdefce34cf14810e5ec1d77e1f554e2bed3f5bebae91d0e56823b49df9d7d1a [2021-10-29 04:41:15,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:41:15,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:41:15,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:41:15,885 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:41:15,885 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:41:15,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8511431c-23e1-4e77-8a8e-480fd15c3d29/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/signedintegeroverflow-regression/NoNegativeIntegerConstant.i [2021-10-29 04:41:15,983 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8511431c-23e1-4e77-8a8e-480fd15c3d29/bin/utaipan-SDwSMHVbGG/data/d7118a548/8924540b97eb4e7287f37229914a346a/FLAGa5ff8abf8 [2021-10-29 04:41:16,476 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:41:16,482 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8511431c-23e1-4e77-8a8e-480fd15c3d29/sv-benchmarks/c/signedintegeroverflow-regression/NoNegativeIntegerConstant.i [2021-10-29 04:41:16,501 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8511431c-23e1-4e77-8a8e-480fd15c3d29/bin/utaipan-SDwSMHVbGG/data/d7118a548/8924540b97eb4e7287f37229914a346a/FLAGa5ff8abf8 [2021-10-29 04:41:16,833 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8511431c-23e1-4e77-8a8e-480fd15c3d29/bin/utaipan-SDwSMHVbGG/data/d7118a548/8924540b97eb4e7287f37229914a346a [2021-10-29 04:41:16,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:41:16,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:41:16,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:41:16,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:41:16,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:41:16,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:41:16" (1/1) ... [2021-10-29 04:41:16,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c05bba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:16, skipping insertion in model container [2021-10-29 04:41:16,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:41:16" (1/1) ... [2021-10-29 04:41:16,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:41:16,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:41:17,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:41:17,151 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:41:17,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:41:17,213 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:41:17,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17 WrapperNode [2021-10-29 04:41:17,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:41:17,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:41:17,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:41:17,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:41:17,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:41:17,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:41:17,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:41:17,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:41:17,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:41:17,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:41:17,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:41:17,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:41:17,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (1/1) ... [2021-10-29 04:41:17,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 04:41:17,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8511431c-23e1-4e77-8a8e-480fd15c3d29/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 04:41:17,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8511431c-23e1-4e77-8a8e-480fd15c3d29/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 04:41:17,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8511431c-23e1-4e77-8a8e-480fd15c3d29/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 04:41:17,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:41:17,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:41:17,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:41:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:41:17,679 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:41:17,679 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-29 04:41:17,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:41:17 BoogieIcfgContainer [2021-10-29 04:41:17,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:41:17,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 04:41:17,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 04:41:17,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 04:41:17,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:41:16" (1/3) ... [2021-10-29 04:41:17,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5231bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:41:17, skipping insertion in model container [2021-10-29 04:41:17,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:17" (2/3) ... [2021-10-29 04:41:17,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5231bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:41:17, skipping insertion in model container [2021-10-29 04:41:17,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:41:17" (3/3) ... [2021-10-29 04:41:17,704 INFO L111 eAbstractionObserver]: Analyzing ICFG NoNegativeIntegerConstant.i [2021-10-29 04:41:17,710 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 04:41:17,710 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-29 04:41:17,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5231bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 04:41:17, skipping insertion in model container [2021-10-29 04:41:17,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 04:41:17,712 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:41:17,713 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:41:17,713 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:41:17,713 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:41:17" (3/3) ... [2021-10-29 04:41:17,716 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:41:17,742 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-29 04:41:17,742 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 04:41:17,742 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-29 04:41:17,742 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:41:17,769 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8511431c-23e1-4e77-8a8e-480fd15c3d29/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 04:41:17,769 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:41:17,771 INFO L168 Benchmark]: Toolchain (without parser) took 933.42 ms. Allocated memory is still 92.3 MB. Free memory was 57.1 MB in the beginning and 48.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:17,772 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 92.3 MB. Free memory was 62.2 MB in the beginning and 62.2 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:41:17,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.49 ms. Allocated memory is still 92.3 MB. Free memory was 56.9 MB in the beginning and 63.6 MB in the end (delta: -6.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:17,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.57 ms. Allocated memory is still 92.3 MB. Free memory was 63.6 MB in the beginning and 62.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:17,774 INFO L168 Benchmark]: Boogie Preprocessor took 32.44 ms. Allocated memory is still 92.3 MB. Free memory was 62.2 MB in the beginning and 61.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:17,775 INFO L168 Benchmark]: RCFGBuilder took 382.97 ms. Allocated memory is still 92.3 MB. Free memory was 61.1 MB in the beginning and 51.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:17,776 INFO L168 Benchmark]: TraceAbstraction took 28.39 ms. Allocated memory is still 92.3 MB. Free memory was 51.0 MB in the beginning and 50.2 MB in the end (delta: 797.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:17,780 INFO L168 Benchmark]: Witness Printer took 56.48 ms. Allocated memory is still 92.3 MB. Free memory was 50.2 MB in the beginning and 48.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:41:17,785 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 92.3 MB. Free memory was 62.2 MB in the beginning and 62.2 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 376.49 ms. Allocated memory is still 92.3 MB. Free memory was 56.9 MB in the beginning and 63.6 MB in the end (delta: -6.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.57 ms. Allocated memory is still 92.3 MB. Free memory was 63.6 MB in the beginning and 62.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.44 ms. Allocated memory is still 92.3 MB. Free memory was 62.2 MB in the beginning and 61.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 382.97 ms. Allocated memory is still 92.3 MB. Free memory was 61.1 MB in the beginning and 51.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 28.39 ms. Allocated memory is still 92.3 MB. Free memory was 51.0 MB in the beginning and 50.2 MB in the end (delta: 797.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Witness Printer took 56.48 ms. Allocated memory is still 92.3 MB. Free memory was 50.2 MB in the beginning and 48.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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! [2021-10-29 04:41:17,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8511431c-23e1-4e77-8a8e-480fd15c3d29/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...