./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8ce8a49ea312f5be0225d8073f8ea160066b763122d2873f0570cf84c2bb0e57 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 21:06:10,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:06:10,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:06:10,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:06:10,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:06:10,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:06:10,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:06:10,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:06:10,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:06:10,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:06:10,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:06:10,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:06:10,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:06:10,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:06:10,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:06:10,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:06:10,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:06:10,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:06:10,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:06:10,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:06:10,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:06:10,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:06:10,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:06:10,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:06:10,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:06:10,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:06:10,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:06:10,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:06:10,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:06:10,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:06:10,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:06:10,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:06:10,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:06:10,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:06:10,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:06:10,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:06:10,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:06:10,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:06:10,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:06:10,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:06:10,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:06:10,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-20 21:06:10,928 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:06:10,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:06:10,930 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:06:10,930 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:06:10,931 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:06:10,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:06:10,933 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:06:10,933 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:06:10,933 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:06:10,934 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:06:10,935 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:06:10,935 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:06:10,936 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:06:10,936 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:06:10,936 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:06:10,936 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:06:10,937 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:06:10,937 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:06:10,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:06:10,938 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 21:06:10,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:06:10,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:06:10,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:06:10,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:06:10,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:06:10,939 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 21:06:10,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:06:10,940 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:06:10,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:06:10,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:06:10,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:06:10,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:06:10,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:06:10,942 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:06:10,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:06:10,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:06:10,942 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:06:10,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:06:10,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:06:10,944 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:06:10,944 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_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ce8a49ea312f5be0225d8073f8ea160066b763122d2873f0570cf84c2bb0e57 [2022-11-20 21:06:11,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:06:11,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:06:11,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:06:11,273 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:06:11,273 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:06:11,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i [2022-11-20 21:06:14,291 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:06:14,728 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:06:14,728 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i [2022-11-20 21:06:14,760 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/data/e6680bca0/629dcddfc05f493b96630b5fd8c00724/FLAGce96cc584 [2022-11-20 21:06:14,775 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/data/e6680bca0/629dcddfc05f493b96630b5fd8c00724 [2022-11-20 21:06:14,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:06:14,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:06:14,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:06:14,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:06:14,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:06:14,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:06:14" (1/1) ... [2022-11-20 21:06:14,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d7afed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:06:14, skipping insertion in model container [2022-11-20 21:06:14,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:06:14" (1/1) ... [2022-11-20 21:06:14,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:06:14,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:06:15,292 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 21:06:16,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:06:16,037 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:06:16,056 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 21:06:16,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:06:16,272 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:06:16,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:06:16 WrapperNode [2022-11-20 21:06:16,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:06:16,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:06:16,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:06:16,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:06:16,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:06:16" (1/1) ... [2022-11-20 21:06:16,321 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:06:16" (1/1) ... [2022-11-20 21:06:16,371 INFO L138 Inliner]: procedures = 501, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2022-11-20 21:06:16,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:06:16,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:06:16,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:06:16,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:06:16,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:06:16" (1/1) ... [2022-11-20 21:06:16,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:06:16" (1/1) ... [2022-11-20 21:06:16,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:06:16" (1/1) ... [2022-11-20 21:06:16,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:06:16" (1/1) ... [2022-11-20 21:06:16,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:06:16" (1/1) ... [2022-11-20 21:06:16,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:06:16" (1/1) ... [2022-11-20 21:06:16,432 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:06:16" (1/1) ... [2022-11-20 21:06:16,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:06:16" (1/1) ... [2022-11-20 21:06:16,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:06:16,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:06:16,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:06:16,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:06:16,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:06:16" (1/1) ... [2022-11-20 21:06:16,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:06:16,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:06:16,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:06:16,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:06:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 21:06:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 21:06:16,554 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 21:06:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 21:06:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 21:06:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 21:06:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:06:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:06:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:06:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 21:06:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 21:06:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 21:06:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 21:06:16,728 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:06:16,730 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:06:16,927 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:06:16,982 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:06:16,982 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 21:06:16,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:06:16 BoogieIcfgContainer [2022-11-20 21:06:16,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:06:16,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:06:16,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:06:16,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:06:16,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:06:14" (1/3) ... [2022-11-20 21:06:16,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717ef097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:06:16, skipping insertion in model container [2022-11-20 21:06:16,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:06:16" (2/3) ... [2022-11-20 21:06:16,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717ef097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:06:16, skipping insertion in model container [2022-11-20 21:06:16,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:06:16" (3/3) ... [2022-11-20 21:06:16,996 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_66_bad.i [2022-11-20 21:06:17,018 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:06:17,018 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 21:06:17,074 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:06:17,081 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@451f351b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:06:17,081 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 21:06:17,086 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 8 states have (on average 1.375) internal successors, (11), 11 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 21:06:17,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 21:06:17,096 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:06:17,097 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:06:17,097 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 21:06:17,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:06:17,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1634006193, now seen corresponding path program 1 times [2022-11-20 21:06:17,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:06:17,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335818800] [2022-11-20 21:06:17,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:06:17,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:06:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 21:06:17,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 21:06:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 21:06:17,441 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-20 21:06:17,444 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 21:06:17,447 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-20 21:06:17,449 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-20 21:06:17,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 21:06:17,460 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 21:06:17,467 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 21:06:17,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:06:17 BoogieIcfgContainer [2022-11-20 21:06:17,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 21:06:17,518 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 21:06:17,518 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 21:06:17,519 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 21:06:17,519 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:06:16" (3/4) ... [2022-11-20 21:06:17,524 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 21:06:17,524 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 21:06:17,526 INFO L158 Benchmark]: Toolchain (without parser) took 2746.31ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 116.9MB in the beginning and 125.6MB in the end (delta: -8.7MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2022-11-20 21:06:17,527 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 155.2MB. Free memory was 122.6MB in the beginning and 122.5MB in the end (delta: 81.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:06:17,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1492.82ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 54.5MB in the end (delta: 62.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-20 21:06:17,530 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.82ms. Allocated memory is still 155.2MB. Free memory was 54.5MB in the beginning and 51.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:06:17,537 INFO L158 Benchmark]: Boogie Preprocessor took 63.72ms. Allocated memory is still 155.2MB. Free memory was 51.6MB in the beginning and 50.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:06:17,538 INFO L158 Benchmark]: RCFGBuilder took 548.48ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 50.0MB in the beginning and 145.5MB in the end (delta: -95.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2022-11-20 21:06:17,540 INFO L158 Benchmark]: TraceAbstraction took 527.62ms. Allocated memory is still 186.6MB. Free memory was 144.5MB in the beginning and 126.6MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 21:06:17,541 INFO L158 Benchmark]: Witness Printer took 6.60ms. Allocated memory is still 186.6MB. Free memory was 126.6MB in the beginning and 125.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:06:17,549 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 155.2MB. Free memory was 122.6MB in the beginning and 122.5MB in the end (delta: 81.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1492.82ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 54.5MB in the end (delta: 62.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.82ms. Allocated memory is still 155.2MB. Free memory was 54.5MB in the beginning and 51.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.72ms. Allocated memory is still 155.2MB. Free memory was 51.6MB in the beginning and 50.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 548.48ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 50.0MB in the beginning and 145.5MB in the end (delta: -95.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * TraceAbstraction took 527.62ms. Allocated memory is still 186.6MB. Free memory was 144.5MB in the beginning and 126.6MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 6.60ms. Allocated memory is still 186.6MB. Free memory was 126.6MB in the beginning and 125.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1580]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483654:2147483653}, argv={2147483654:2147483653}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_fgets_add_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1565] dataArray[2] = data [L1566] CALL CWE190_Integer_Overflow__int_fgets_add_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1580] data + 1 VAL [data=2147483647, dataArray={6:0}, dataArray={6:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1580]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 21:06:17,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8ce8a49ea312f5be0225d8073f8ea160066b763122d2873f0570cf84c2bb0e57 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 21:06:20,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:06:20,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:06:20,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:06:20,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:06:20,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:06:20,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:06:20,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:06:20,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:06:20,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:06:20,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:06:20,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:06:20,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:06:20,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:06:20,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:06:20,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:06:20,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:06:20,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:06:20,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:06:20,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:06:20,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:06:20,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:06:20,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:06:20,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:06:20,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:06:20,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:06:20,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:06:20,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:06:20,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:06:20,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:06:20,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:06:20,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:06:20,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:06:20,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:06:20,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:06:20,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:06:20,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:06:20,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:06:20,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:06:20,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:06:20,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:06:20,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-20 21:06:20,297 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:06:20,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:06:20,298 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:06:20,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:06:20,300 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:06:20,300 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:06:20,300 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:06:20,301 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:06:20,301 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:06:20,302 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:06:20,302 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:06:20,303 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:06:20,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:06:20,304 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 21:06:20,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:06:20,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:06:20,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:06:20,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:06:20,306 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 21:06:20,307 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 21:06:20,307 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 21:06:20,307 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 21:06:20,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:06:20,308 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:06:20,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:06:20,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:06:20,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 21:06:20,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:06:20,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:06:20,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:06:20,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:06:20,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:06:20,312 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 21:06:20,312 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 21:06:20,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:06:20,313 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:06:20,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 21:06:20,314 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ce8a49ea312f5be0225d8073f8ea160066b763122d2873f0570cf84c2bb0e57 [2022-11-20 21:06:20,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:06:20,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:06:20,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:06:20,793 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:06:20,794 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:06:20,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i [2022-11-20 21:06:24,242 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:06:24,682 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:06:24,683 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i [2022-11-20 21:06:24,725 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/data/4617f23b3/60255867091749f2baf8162697fd39a1/FLAG4173b8dd8 [2022-11-20 21:06:24,752 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e8d1a1-44f0-4ca3-9a79-cf171da6b913/bin/utaipan-6cKwYrpEi9/data/4617f23b3/60255867091749f2baf8162697fd39a1 [2022-11-20 21:06:24,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:06:24,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:06:24,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:06:24,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:06:24,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:06:24,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:06:24" (1/1) ... [2022-11-20 21:06:24,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff783fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:06:24, skipping insertion in model container [2022-11-20 21:06:24,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:06:24" (1/1) ... [2022-11-20 21:06:24,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:06:24,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:06:25,380 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 21:06:25,679 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 21:06:25,689 INFO L158 Benchmark]: Toolchain (without parser) took 927.55ms. Allocated memory is still 88.1MB. Free memory was 62.4MB in the beginning and 66.8MB in the end (delta: -4.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2022-11-20 21:06:25,689 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:06:25,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 921.46ms. Allocated memory is still 88.1MB. Free memory was 62.2MB in the beginning and 66.8MB in the end (delta: -4.6MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2022-11-20 21:06:25,692 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 58.7MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 921.46ms. Allocated memory is still 88.1MB. Free memory was 62.2MB in the beginning and 66.8MB in the end (delta: -4.6MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.