./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b5_o10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75fe8e5b-3677-4ad1-a627-b1d8ff350901/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75fe8e5b-3677-4ad1-a627-b1d8ff350901/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75fe8e5b-3677-4ad1-a627-b1d8ff350901/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75fe8e5b-3677-4ad1-a627-b1d8ff350901/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b5_o10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75fe8e5b-3677-4ad1-a627-b1d8ff350901/bin/utaipan-vmNK8stdcF/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75fe8e5b-3677-4ad1-a627-b1d8ff350901/bin/utaipan-vmNK8stdcF --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 32bit --witnessprinter.graph.data.programhash 8c08a983a7c0b08f878bb6cfb5a8d37d856d7302f69f84382c3f724537bcbd1e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:35:02,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:35:02,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:35:02,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:35:02,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:35:02,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:35:02,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:35:02,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:35:02,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:35:02,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:35:02,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:35:02,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:35:02,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:35:02,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:35:02,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:35:02,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:35:02,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:35:02,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:35:02,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:35:02,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:35:02,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:35:02,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:35:02,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:35:02,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:35:02,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:35:02,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:35:02,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:35:02,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:35:02,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:35:02,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:35:02,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:35:02,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:35:02,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:35:02,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:35:02,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:35:02,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:35:02,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:35:02,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:35:02,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:35:02,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:35:02,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:35:02,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75fe8e5b-3677-4ad1-a627-b1d8ff350901/bin/utaipan-vmNK8stdcF/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-13 01:35:02,861 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:35:02,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:35:02,862 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:35:02,862 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:35:02,862 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:35:02,863 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:35:02,863 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:35:02,863 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:35:02,863 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:35:02,863 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:35:02,864 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:35:02,864 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:35:02,864 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:35:02,866 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:35:02,866 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:35:02,866 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:35:02,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:35:02,867 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 01:35:02,867 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 01:35:02,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:35:02,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 01:35:02,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:35:02,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:35:02,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:35:02,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:35:02,875 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 01:35:02,875 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 01:35:02,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:35:02,876 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:35:02,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:35:02,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:35:02,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:35:02,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:35:02,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:35:02,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:35:02,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:35:02,881 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:35:02,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:35:02,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:35:02,882 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:35:02,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:35:02,882 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_75fe8e5b-3677-4ad1-a627-b1d8ff350901/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75fe8e5b-3677-4ad1-a627-b1d8ff350901/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c08a983a7c0b08f878bb6cfb5a8d37d856d7302f69f84382c3f724537bcbd1e [2021-11-13 01:35:03,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:35:03,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:35:03,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:35:03,137 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:35:03,138 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:35:03,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75fe8e5b-3677-4ad1-a627-b1d8ff350901/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2021-11-13 01:35:03,205 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75fe8e5b-3677-4ad1-a627-b1d8ff350901/bin/utaipan-vmNK8stdcF/data/f8184ca71/afe7f08805cd4b80a889afd019cf48e0/FLAGd956bbe62 [2021-11-13 01:35:03,630 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:35:03,630 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75fe8e5b-3677-4ad1-a627-b1d8ff350901/sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2021-11-13 01:35:03,635 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75fe8e5b-3677-4ad1-a627-b1d8ff350901/bin/utaipan-vmNK8stdcF/data/f8184ca71/afe7f08805cd4b80a889afd019cf48e0/FLAGd956bbe62 [2021-11-13 01:35:04,016 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75fe8e5b-3677-4ad1-a627-b1d8ff350901/bin/utaipan-vmNK8stdcF/data/f8184ca71/afe7f08805cd4b80a889afd019cf48e0 [2021-11-13 01:35:04,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:35:04,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:35:04,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:35:04,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:35:04,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:35:04,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:35:04" (1/1) ... [2021-11-13 01:35:04,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@586e46ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:04, skipping insertion in model container [2021-11-13 01:35:04,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:35:04" (1/1) ... [2021-11-13 01:35:04,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:35:04,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:35:04,226 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_75fe8e5b-3677-4ad1-a627-b1d8ff350901/sv-benchmarks/c/recursive-simple/id2_b5_o10.c[773,786] [2021-11-13 01:35:04,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:35:04,233 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:35:04,246 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_75fe8e5b-3677-4ad1-a627-b1d8ff350901/sv-benchmarks/c/recursive-simple/id2_b5_o10.c[773,786] [2021-11-13 01:35:04,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:35:04,259 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:35:04,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:04 WrapperNode [2021-11-13 01:35:04,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:35:04,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:35:04,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:35:04,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:35:04,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:04" (1/1) ... [2021-11-13 01:35:04,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:04" (1/1) ... [2021-11-13 01:35:04,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:35:04,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:35:04,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:35:04,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:35:04,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:04" (1/1) ... [2021-11-13 01:35:04,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:04" (1/1) ... [2021-11-13 01:35:04,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:04" (1/1) ... [2021-11-13 01:35:04,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:04" (1/1) ... [2021-11-13 01:35:04,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:04" (1/1) ... [2021-11-13 01:35:04,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:04" (1/1) ... [2021-11-13 01:35:04,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:04" (1/1) ... [2021-11-13 01:35:04,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:35:04,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:35:04,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:35:04,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:35:04,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:04" (1/1) ... [2021-11-13 01:35:04,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:35:04,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75fe8e5b-3677-4ad1-a627-b1d8ff350901/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:35:04,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75fe8e5b-3677-4ad1-a627-b1d8ff350901/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:35:04,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75fe8e5b-3677-4ad1-a627-b1d8ff350901/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:35:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 01:35:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:35:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2021-11-13 01:35:04,382 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2021-11-13 01:35:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:35:04,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:35:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-13 01:35:04,383 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-13 01:35:04,615 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:35:04,616 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 01:35:04,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:35:04 BoogieIcfgContainer [2021-11-13 01:35:04,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:35:04,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:35:04,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:35:04,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:35:04,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:35:04" (1/3) ... [2021-11-13 01:35:04,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@452249c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:35:04, skipping insertion in model container [2021-11-13 01:35:04,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:35:04" (2/3) ... [2021-11-13 01:35:04,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@452249c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:35:04, skipping insertion in model container [2021-11-13 01:35:04,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:35:04" (3/3) ... [2021-11-13 01:35:04,626 INFO L111 eAbstractionObserver]: Analyzing ICFG id2_b5_o10.c [2021-11-13 01:35:04,631 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:35:04,631 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-13 01:35:04,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@452249c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:35:04, skipping insertion in model container [2021-11-13 01:35:04,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 01:35:04,634 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 01:35:04,634 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 01:35:04,634 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 01:35:04,635 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:35:04" (3/3) ... [2021-11-13 01:35:04,637 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 01:35:04,642 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2021-11-13 01:35:04,643 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-11-13 01:35:04,647 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-13 01:35:04,647 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-13 01:35:04,648 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-13 01:35:04,648 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 01:35:04,700 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75fe8e5b-3677-4ad1-a627-b1d8ff350901/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-13 01:35:04,700 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 01:35:04,702 INFO L158 Benchmark]: Toolchain (without parser) took 681.50ms. Allocated memory is still 123.7MB. Free memory was 88.9MB in the beginning and 83.1MB in the end (delta: 5.9MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2021-11-13 01:35:04,703 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:35:04,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.35ms. Allocated memory is still 123.7MB. Free memory was 88.8MB in the beginning and 100.2MB in the end (delta: -11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 01:35:04,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.48ms. Allocated memory is still 123.7MB. Free memory was 100.2MB in the beginning and 98.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:35:04,706 INFO L158 Benchmark]: Boogie Preprocessor took 16.76ms. Allocated memory is still 123.7MB. Free memory was 98.7MB in the beginning and 98.1MB in the end (delta: 584.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:35:04,707 INFO L158 Benchmark]: RCFGBuilder took 309.49ms. Allocated memory is still 123.7MB. Free memory was 98.1MB in the beginning and 87.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 01:35:04,707 INFO L158 Benchmark]: TraceAbstraction took 13.26ms. Allocated memory is still 123.7MB. Free memory was 86.7MB in the beginning and 85.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:35:04,708 INFO L158 Benchmark]: Witness Printer took 66.63ms. Allocated memory is still 123.7MB. Free memory was 85.5MB in the beginning and 83.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:35:04,716 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.35ms. Allocated memory is still 123.7MB. Free memory was 88.8MB in the beginning and 100.2MB in the end (delta: -11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.48ms. Allocated memory is still 123.7MB. Free memory was 100.2MB in the beginning and 98.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.76ms. Allocated memory is still 123.7MB. Free memory was 98.7MB in the beginning and 98.1MB in the end (delta: 584.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.49ms. Allocated memory is still 123.7MB. Free memory was 98.1MB in the beginning and 87.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 13.26ms. Allocated memory is still 123.7MB. Free memory was 86.7MB in the beginning and 85.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 66.63ms. Allocated memory is still 123.7MB. Free memory was 85.5MB in the beginning and 83.1MB in the end (delta: 2.4MB). 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! [2021-11-13 01:35:04,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75fe8e5b-3677-4ad1-a627-b1d8ff350901/bin/utaipan-vmNK8stdcF/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