./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_o10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ad9de-4a9b-4487-b49d-e70868f53591/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ad9de-4a9b-4487-b49d-e70868f53591/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ad9de-4a9b-4487-b49d-e70868f53591/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ad9de-4a9b-4487-b49d-e70868f53591/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ad9de-4a9b-4487-b49d-e70868f53591/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ad9de-4a9b-4487-b49d-e70868f53591/bin/ukojak-d1pc8ZmBRL --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4bb99911cbd112fadfd665fb729cfe0ed3dacf957fcff0e177d295c79af00a62 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:35:51,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:35:51,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:35:51,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:35:51,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:35:51,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:35:51,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:35:51,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:35:51,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:35:51,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:35:51,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:35:51,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:35:51,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:35:51,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:35:51,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:35:51,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:35:51,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:35:51,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:35:51,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:35:51,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:35:51,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:35:51,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:35:51,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:35:51,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:35:51,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:35:51,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:35:51,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:35:51,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:35:51,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:35:51,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:35:51,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:35:51,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:35:51,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:35:51,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:35:51,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:35:51,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:35:51,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:35:51,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:35:51,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:35:51,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:35:51,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:35:51,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ad9de-4a9b-4487-b49d-e70868f53591/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-25 07:35:51,833 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:35:51,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:35:51,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:35:51,834 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:35:51,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:35:51,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:35:51,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:35:51,836 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:35:51,836 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 07:35:51,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:35:51,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:35:51,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:35:51,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:35:51,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:35:51,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:35:51,838 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 07:35:51,838 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:35:51,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:35:51,839 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:35:51,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:35:51,840 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:35:51,840 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:35:51,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:35:51,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:35:51,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:35:51,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:35:51,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:35:51,841 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:35:51,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:35:51,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:35:51,842 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_806ad9de-4a9b-4487-b49d-e70868f53591/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ad9de-4a9b-4487-b49d-e70868f53591/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bb99911cbd112fadfd665fb729cfe0ed3dacf957fcff0e177d295c79af00a62 [2021-11-25 07:35:52,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:35:52,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:35:52,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:35:52,281 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:35:52,282 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:35:52,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ad9de-4a9b-4487-b49d-e70868f53591/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/recursive-simple/id_o10.c [2021-11-25 07:35:52,362 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ad9de-4a9b-4487-b49d-e70868f53591/bin/ukojak-d1pc8ZmBRL/data/63ce294e1/5839e8d886ae48c28f543656fb1ef50d/FLAG9f288698e [2021-11-25 07:35:52,918 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:35:52,919 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ad9de-4a9b-4487-b49d-e70868f53591/sv-benchmarks/c/recursive-simple/id_o10.c [2021-11-25 07:35:52,926 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ad9de-4a9b-4487-b49d-e70868f53591/bin/ukojak-d1pc8ZmBRL/data/63ce294e1/5839e8d886ae48c28f543656fb1ef50d/FLAG9f288698e [2021-11-25 07:35:53,289 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ad9de-4a9b-4487-b49d-e70868f53591/bin/ukojak-d1pc8ZmBRL/data/63ce294e1/5839e8d886ae48c28f543656fb1ef50d [2021-11-25 07:35:53,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:35:53,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:35:53,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:35:53,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:35:53,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:35:53,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:35:53" (1/1) ... [2021-11-25 07:35:53,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1556447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:53, skipping insertion in model container [2021-11-25 07:35:53,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:35:53" (1/1) ... [2021-11-25 07:35:53,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:35:53,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:35:53,633 WARN L230 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_806ad9de-4a9b-4487-b49d-e70868f53591/sv-benchmarks/c/recursive-simple/id_o10.c[516,529] [2021-11-25 07:35:53,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:35:53,646 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:35:53,668 WARN L230 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_806ad9de-4a9b-4487-b49d-e70868f53591/sv-benchmarks/c/recursive-simple/id_o10.c[516,529] [2021-11-25 07:35:53,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:35:53,682 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:35:53,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:53 WrapperNode [2021-11-25 07:35:53,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:35:53,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:35:53,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:35:53,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:35:53,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:53" (1/1) ... [2021-11-25 07:35:53,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:53" (1/1) ... [2021-11-25 07:35:53,725 INFO L137 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2021-11-25 07:35:53,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:35:53,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:35:53,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:35:53,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:35:53,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:53" (1/1) ... [2021-11-25 07:35:53,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:53" (1/1) ... [2021-11-25 07:35:53,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:53" (1/1) ... [2021-11-25 07:35:53,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:53" (1/1) ... [2021-11-25 07:35:53,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:53" (1/1) ... [2021-11-25 07:35:53,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:53" (1/1) ... [2021-11-25 07:35:53,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:53" (1/1) ... [2021-11-25 07:35:53,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:35:53,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:35:53,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:35:53,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:35:53,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:35:53" (1/1) ... [2021-11-25 07:35:53,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:35:53,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ad9de-4a9b-4487-b49d-e70868f53591/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:35:53,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ad9de-4a9b-4487-b49d-e70868f53591/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:35:53,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ad9de-4a9b-4487-b49d-e70868f53591/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:35:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:35:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:35:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:35:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:35:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-25 07:35:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-25 07:35:53,899 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:35:53,901 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:35:53,974 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:35:53,991 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:35:53,992 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 07:35:53,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:35:53 BoogieIcfgContainer [2021-11-25 07:35:53,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:35:53,995 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:35:53,995 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:35:54,003 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:35:54,004 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:35:53" (1/1) ... [2021-11-25 07:35:54,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:35:54,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:54,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2021-11-25 07:35:54,066 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-11-25 07:35:54,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 07:35:54,071 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2021-11-25 07:35:54,077 INFO L754 CodeCheckObserver]: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. [2021-11-25 07:35:54,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 07:35:54 ImpRootNode [2021-11-25 07:35:54,108 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 07:35:54,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 07:35:54,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 07:35:54,110 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 07:35:54,110 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:35:53" (3/4) ... [2021-11-25 07:35:54,114 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 07:35:54,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-11-25 07:35:54,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-25 07:35:54,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-25 07:35:54,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 07:35:54,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 07:35:54,169 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ad9de-4a9b-4487-b49d-e70868f53591/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 07:35:54,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 07:35:54,170 INFO L158 Benchmark]: Toolchain (without parser) took 872.21ms. Allocated memory was 83.9MB in the beginning and 123.7MB in the end (delta: 39.8MB). Free memory was 47.3MB in the beginning and 82.0MB in the end (delta: -34.7MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-11-25 07:35:54,170 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory was 63.1MB in the beginning and 63.0MB in the end (delta: 79.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:35:54,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.51ms. Allocated memory was 83.9MB in the beginning and 123.7MB in the end (delta: 39.8MB). Free memory was 47.0MB in the beginning and 100.8MB in the end (delta: -53.8MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-11-25 07:35:54,172 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.32ms. Allocated memory is still 123.7MB. Free memory was 100.8MB in the beginning and 99.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:35:54,172 INFO L158 Benchmark]: Boogie Preprocessor took 31.59ms. Allocated memory is still 123.7MB. Free memory was 99.5MB in the beginning and 98.7MB in the end (delta: 821.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:35:54,173 INFO L158 Benchmark]: RCFGBuilder took 235.47ms. Allocated memory is still 123.7MB. Free memory was 98.7MB in the beginning and 89.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 07:35:54,174 INFO L158 Benchmark]: CodeCheck took 113.12ms. Allocated memory is still 123.7MB. Free memory was 89.6MB in the beginning and 84.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 07:35:54,175 INFO L158 Benchmark]: Witness Printer took 59.70ms. Allocated memory is still 123.7MB. Free memory was 84.5MB in the beginning and 82.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:35:54,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 10 locations, 0 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory was 63.1MB in the beginning and 63.0MB in the end (delta: 79.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.51ms. Allocated memory was 83.9MB in the beginning and 123.7MB in the end (delta: 39.8MB). Free memory was 47.0MB in the beginning and 100.8MB in the end (delta: -53.8MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.32ms. Allocated memory is still 123.7MB. Free memory was 100.8MB in the beginning and 99.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.59ms. Allocated memory is still 123.7MB. Free memory was 99.5MB in the beginning and 98.7MB in the end (delta: 821.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 235.47ms. Allocated memory is still 123.7MB. Free memory was 98.7MB in the beginning and 89.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 113.12ms. Allocated memory is still 123.7MB. Free memory was 89.6MB in the beginning and 84.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 59.70ms. Allocated memory is still 123.7MB. Free memory was 84.5MB in the beginning and 82.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-25 07:35:54,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806ad9de-4a9b-4487-b49d-e70868f53591/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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