./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_o1000.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_c922b59e-1a96-4ce0-afef-2307d59e9b62/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c922b59e-1a96-4ce0-afef-2307d59e9b62/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c922b59e-1a96-4ce0-afef-2307d59e9b62/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c922b59e-1a96-4ce0-afef-2307d59e9b62/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o1000.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c922b59e-1a96-4ce0-afef-2307d59e9b62/bin/utaipan-UbGMyvGFUs/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c922b59e-1a96-4ce0-afef-2307d59e9b62/bin/utaipan-UbGMyvGFUs --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 1ac5ce2c5b306e431b6746a0cb1bbdfcd1ec9c3d54097bd6037af4480ff2bd07 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:01:01,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:01:01,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:01:01,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:01:01,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:01:01,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:01:01,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:01:01,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:01:01,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:01:01,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:01:01,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:01:01,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:01:01,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:01:01,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:01:01,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:01:01,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:01:01,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:01:01,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:01:01,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:01:01,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:01:01,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:01:01,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:01:01,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:01:01,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:01:01,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:01:01,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:01:01,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:01:01,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:01:01,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:01:01,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:01:01,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:01:01,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:01:01,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:01:01,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:01:01,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:01:01,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:01:01,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:01:01,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:01:01,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:01:01,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:01:01,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:01:01,798 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c922b59e-1a96-4ce0-afef-2307d59e9b62/bin/utaipan-UbGMyvGFUs/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-19 15:01:01,823 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:01:01,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:01:01,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:01:01,825 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:01:01,825 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:01:01,825 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:01:01,826 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:01:01,826 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 15:01:01,827 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:01:01,827 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:01:01,827 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 15:01:01,828 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 15:01:01,828 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:01:01,829 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 15:01:01,829 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 15:01:01,830 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 15:01:01,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:01:01,831 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 15:01:01,834 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 15:01:01,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 15:01:01,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 15:01:01,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:01:01,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:01:01,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:01:01,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:01:01,837 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-19 15:01:01,837 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 15:01:01,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:01:01,838 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:01:01,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:01:01,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:01:01,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:01:01,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:01:01,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:01:01,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:01:01,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:01:01,843 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 15:01:01,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 15:01:01,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:01:01,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:01:01,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:01:01,845 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_c922b59e-1a96-4ce0-afef-2307d59e9b62/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c922b59e-1a96-4ce0-afef-2307d59e9b62/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ac5ce2c5b306e431b6746a0cb1bbdfcd1ec9c3d54097bd6037af4480ff2bd07 [2021-11-19 15:01:02,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:01:02,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:01:02,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:01:02,139 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:01:02,140 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:01:02,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c922b59e-1a96-4ce0-afef-2307d59e9b62/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/recursive-simple/id_o1000.c [2021-11-19 15:01:02,221 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c922b59e-1a96-4ce0-afef-2307d59e9b62/bin/utaipan-UbGMyvGFUs/data/b1504de9b/e14e3dcfdb0948479f31bc825db8c4c7/FLAG8891e8035 [2021-11-19 15:01:02,758 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:01:02,759 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c922b59e-1a96-4ce0-afef-2307d59e9b62/sv-benchmarks/c/recursive-simple/id_o1000.c [2021-11-19 15:01:02,765 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c922b59e-1a96-4ce0-afef-2307d59e9b62/bin/utaipan-UbGMyvGFUs/data/b1504de9b/e14e3dcfdb0948479f31bc825db8c4c7/FLAG8891e8035 [2021-11-19 15:01:03,136 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c922b59e-1a96-4ce0-afef-2307d59e9b62/bin/utaipan-UbGMyvGFUs/data/b1504de9b/e14e3dcfdb0948479f31bc825db8c4c7 [2021-11-19 15:01:03,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:01:03,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:01:03,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:01:03,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:01:03,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:01:03,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:03" (1/1) ... [2021-11-19 15:01:03,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3229c4e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:03, skipping insertion in model container [2021-11-19 15:01:03,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:03" (1/1) ... [2021-11-19 15:01:03,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:01:03,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:01:03,375 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_c922b59e-1a96-4ce0-afef-2307d59e9b62/sv-benchmarks/c/recursive-simple/id_o1000.c[520,533] [2021-11-19 15:01:03,380 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:01:03,392 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 15:01:03,405 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_c922b59e-1a96-4ce0-afef-2307d59e9b62/sv-benchmarks/c/recursive-simple/id_o1000.c[520,533] [2021-11-19 15:01:03,406 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:01:03,422 INFO L208 MainTranslator]: Completed translation [2021-11-19 15:01:03,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:03 WrapperNode [2021-11-19 15:01:03,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:01:03,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 15:01:03,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 15:01:03,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 15:01:03,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:03" (1/1) ... [2021-11-19 15:01:03,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:03" (1/1) ... [2021-11-19 15:01:03,477 INFO L137 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2021-11-19 15:01:03,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 15:01:03,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 15:01:03,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 15:01:03,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 15:01:03,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:03" (1/1) ... [2021-11-19 15:01:03,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:03" (1/1) ... [2021-11-19 15:01:03,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:03" (1/1) ... [2021-11-19 15:01:03,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:03" (1/1) ... [2021-11-19 15:01:03,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:03" (1/1) ... [2021-11-19 15:01:03,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:03" (1/1) ... [2021-11-19 15:01:03,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:03" (1/1) ... [2021-11-19 15:01:03,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 15:01:03,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 15:01:03,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 15:01:03,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 15:01:03,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:03" (1/1) ... [2021-11-19 15:01:03,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:01:03,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c922b59e-1a96-4ce0-afef-2307d59e9b62/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:01:03,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c922b59e-1a96-4ce0-afef-2307d59e9b62/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 15:01:03,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c922b59e-1a96-4ce0-afef-2307d59e9b62/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 15:01:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 15:01:03,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 15:01:03,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 15:01:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 15:01:03,621 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-19 15:01:03,621 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-19 15:01:03,694 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 15:01:03,696 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 15:01:03,805 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 15:01:03,843 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 15:01:03,843 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 15:01:03,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:03 BoogieIcfgContainer [2021-11-19 15:01:03,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 15:01:03,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 15:01:03,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 15:01:03,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 15:01:03,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:01:03" (1/3) ... [2021-11-19 15:01:03,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@601c2ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:01:03, skipping insertion in model container [2021-11-19 15:01:03,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:03" (2/3) ... [2021-11-19 15:01:03,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@601c2ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:01:03, skipping insertion in model container [2021-11-19 15:01:03,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:03" (3/3) ... [2021-11-19 15:01:03,866 INFO L111 eAbstractionObserver]: Analyzing ICFG id_o1000.c [2021-11-19 15:01:03,872 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 15:01:03,872 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-19 15:01:03,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@601c2ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 03:01:03, skipping insertion in model container [2021-11-19 15:01:03,874 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 15:01:03,874 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 15:01:03,875 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 15:01:03,875 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 15:01:03,878 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:03" (3/3) ... [2021-11-19 15:01:03,882 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 15:01:03,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-11-19 15:01:03,892 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-19 15:01:03,893 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-19 15:01:03,893 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-19 15:01:03,894 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 15:01:03,935 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c922b59e-1a96-4ce0-afef-2307d59e9b62/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 15:01:03,936 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 15:01:03,937 INFO L158 Benchmark]: Toolchain (without parser) took 795.21ms. Allocated memory is still 121.6MB. Free memory was 92.1MB in the beginning and 81.1MB in the end (delta: 11.1MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2021-11-19 15:01:03,938 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:01:03,939 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.66ms. Allocated memory is still 121.6MB. Free memory was 92.1MB in the beginning and 96.1MB in the end (delta: -3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 15:01:03,939 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.87ms. Allocated memory is still 121.6MB. Free memory was 96.1MB in the beginning and 94.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 15:01:03,940 INFO L158 Benchmark]: Boogie Preprocessor took 19.89ms. Allocated memory is still 121.6MB. Free memory was 94.6MB in the beginning and 94.0MB in the end (delta: 628.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:01:03,941 INFO L158 Benchmark]: RCFGBuilder took 345.97ms. Allocated memory is still 121.6MB. Free memory was 93.7MB in the beginning and 84.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 15:01:03,941 INFO L158 Benchmark]: TraceAbstraction took 26.31ms. Allocated memory is still 121.6MB. Free memory was 84.5MB in the beginning and 83.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 15:01:03,942 INFO L158 Benchmark]: Witness Printer took 61.34ms. Allocated memory is still 121.6MB. Free memory was 83.5MB in the beginning and 81.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 15:01:03,946 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.66ms. Allocated memory is still 121.6MB. Free memory was 92.1MB in the beginning and 96.1MB in the end (delta: -3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.87ms. Allocated memory is still 121.6MB. Free memory was 96.1MB in the beginning and 94.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.89ms. Allocated memory is still 121.6MB. Free memory was 94.6MB in the beginning and 94.0MB in the end (delta: 628.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 345.97ms. Allocated memory is still 121.6MB. Free memory was 93.7MB in the beginning and 84.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 26.31ms. Allocated memory is still 121.6MB. Free memory was 84.5MB in the beginning and 83.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 61.34ms. Allocated memory is still 121.6MB. Free memory was 83.5MB in the beginning and 81.1MB 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! [2021-11-19 15:01:03,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c922b59e-1a96-4ce0-afef-2307d59e9b62/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE