./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba --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 c59176cd00520a5a4aca656e3f81e02c964e0650c21d035534f9139b7ed3a3bf --- 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-b5237d8 [2022-11-22 01:48:27,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:48:27,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:48:27,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:48:27,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:48:27,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:48:27,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:48:27,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:48:27,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:48:27,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:48:27,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:48:27,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:48:27,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:48:27,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:48:27,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:48:27,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:48:27,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:48:27,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:48:27,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:48:27,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:48:27,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:48:27,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:48:27,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:48:27,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:48:27,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:48:27,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:48:27,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:48:27,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:48:27,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:48:27,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:48:27,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:48:27,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:48:27,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:48:27,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:48:27,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:48:27,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:48:27,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:48:27,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:48:27,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:48:27,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:48:27,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:48:27,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-22 01:48:27,956 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:48:27,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:48:27,957 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:48:27,958 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:48:27,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:48:27,959 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:48:27,959 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:48:27,959 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:48:27,960 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:48:27,960 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:48:27,961 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:48:27,961 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:48:27,962 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:48:27,962 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:48:27,962 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:48:27,963 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:48:27,963 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:48:27,963 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:48:27,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:48:27,964 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:48:27,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:48:27,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:48:27,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:48:27,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:48:27,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:48:27,966 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:48:27,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:48:27,967 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:48:27,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:48:27,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:48:27,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:48:27,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:48:27,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:48:27,969 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:48:27,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:48:27,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:48:27,970 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:48:27,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:48:27,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:48:27,971 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:48:27,971 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_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59176cd00520a5a4aca656e3f81e02c964e0650c21d035534f9139b7ed3a3bf [2022-11-22 01:48:28,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:48:28,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:48:28,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:48:28,312 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:48:28,312 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:48:28,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i [2022-11-22 01:48:31,366 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:48:31,789 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:48:31,793 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i [2022-11-22 01:48:31,819 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/data/35d48ee23/466da95e57944617bde6655fbb7241ea/FLAG5cd0644bb [2022-11-22 01:48:31,835 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/data/35d48ee23/466da95e57944617bde6655fbb7241ea [2022-11-22 01:48:31,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:48:31,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:48:31,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:48:31,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:48:31,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:48:31,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:48:31" (1/1) ... [2022-11-22 01:48:31,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bdd5b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:31, skipping insertion in model container [2022-11-22 01:48:31,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:48:31" (1/1) ... [2022-11-22 01:48:31,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:48:31,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:48:32,349 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 01:48:32,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:48:32,908 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:48:32,929 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 01:48:33,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:48:33,217 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:48:33,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:33 WrapperNode [2022-11-22 01:48:33,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:48:33,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:48:33,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:48:33,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:48:33,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:33" (1/1) ... [2022-11-22 01:48:33,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:33" (1/1) ... [2022-11-22 01:48:33,283 INFO L138 Inliner]: procedures = 501, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2022-11-22 01:48:33,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:48:33,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:48:33,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:48:33,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:48:33,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:33" (1/1) ... [2022-11-22 01:48:33,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:33" (1/1) ... [2022-11-22 01:48:33,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:33" (1/1) ... [2022-11-22 01:48:33,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:33" (1/1) ... [2022-11-22 01:48:33,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:33" (1/1) ... [2022-11-22 01:48:33,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:33" (1/1) ... [2022-11-22 01:48:33,318 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:33" (1/1) ... [2022-11-22 01:48:33,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:33" (1/1) ... [2022-11-22 01:48:33,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:48:33,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:48:33,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:48:33,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:48:33,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:33" (1/1) ... [2022-11-22 01:48:33,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:48:33,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:48:33,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:48:33,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:48:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-22 01:48:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-22 01:48:33,418 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-22 01:48:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:48:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:48:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:48:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:48:33,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:48:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:48:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-22 01:48:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:48:33,673 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:48:33,675 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:48:33,836 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:48:33,863 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:48:33,864 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:48:33,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:48:33 BoogieIcfgContainer [2022-11-22 01:48:33,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:48:33,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:48:33,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:48:33,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:48:33,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:48:31" (1/3) ... [2022-11-22 01:48:33,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f64ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:48:33, skipping insertion in model container [2022-11-22 01:48:33,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:33" (2/3) ... [2022-11-22 01:48:33,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f64ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:48:33, skipping insertion in model container [2022-11-22 01:48:33,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:48:33" (3/3) ... [2022-11-22 01:48:33,877 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i [2022-11-22 01:48:33,895 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:48:33,895 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-22 01:48:33,956 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:48:33,964 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;@2551f958, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:48:33,964 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-22 01:48:33,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 10 states have (on average 1.4) internal successors, (14), 13 states have internal predecessors, (14), 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) [2022-11-22 01:48:33,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 01:48:33,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:48:33,978 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:48:33,979 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-22 01:48:33,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:48:33,995 INFO L85 PathProgramCache]: Analyzing trace with hash -39583869, now seen corresponding path program 1 times [2022-11-22 01:48:34,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:48:34,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072535283] [2022-11-22 01:48:34,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:48:34,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:48:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:48:34,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:48:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:48:34,304 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:48:34,306 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:48:34,307 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-22 01:48:34,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-22 01:48:34,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:48:34,316 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-22 01:48:34,324 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:48:34,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:48:34 BoogieIcfgContainer [2022-11-22 01:48:34,374 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:48:34,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:48:34,376 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:48:34,376 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:48:34,376 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:48:33" (3/4) ... [2022-11-22 01:48:34,380 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 01:48:34,381 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:48:34,382 INFO L158 Benchmark]: Toolchain (without parser) took 2542.33ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 95.2MB in the beginning and 138.9MB in the end (delta: -43.7MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2022-11-22 01:48:34,383 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:48:34,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1375.78ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 95.2MB in the beginning and 118.0MB in the end (delta: -22.9MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2022-11-22 01:48:34,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.34ms. Allocated memory is still 186.6MB. Free memory was 118.0MB in the beginning and 115.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:48:34,391 INFO L158 Benchmark]: Boogie Preprocessor took 37.65ms. Allocated memory is still 186.6MB. Free memory was 115.1MB in the beginning and 113.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:48:34,392 INFO L158 Benchmark]: RCFGBuilder took 545.04ms. Allocated memory is still 186.6MB. Free memory was 113.0MB in the beginning and 98.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-22 01:48:34,392 INFO L158 Benchmark]: TraceAbstraction took 503.47ms. Allocated memory is still 186.6MB. Free memory was 98.3MB in the beginning and 139.9MB in the end (delta: -41.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:48:34,394 INFO L158 Benchmark]: Witness Printer took 5.71ms. Allocated memory is still 186.6MB. Free memory was 139.9MB in the beginning and 138.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:48:34,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1375.78ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 95.2MB in the beginning and 118.0MB in the end (delta: -22.9MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.34ms. Allocated memory is still 186.6MB. Free memory was 118.0MB in the beginning and 115.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.65ms. Allocated memory is still 186.6MB. Free memory was 115.1MB in the beginning and 113.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 545.04ms. Allocated memory is still 186.6MB. Free memory was 113.0MB in the beginning and 98.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 503.47ms. Allocated memory is still 186.6MB. Free memory was 98.3MB in the beginning and 139.9MB in the end (delta: -41.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.71ms. Allocated memory is still 186.6MB. Free memory was 139.9MB in the beginning and 138.9MB 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1554. 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); [L1577] 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) [L1577] RET printLine("Calling bad()...") VAL [\old(argc)=1073741826, argc=1073741826, argv={1073741829:1073741827}, argv={1073741829:1073741827}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL CWE190_Integer_Overflow__int_fgets_multiply_42_bad() [L1565] int data; [L1566] data = 0 [L1567] CALL, EXPR badSource(data) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1552] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1554] data = atoi(inputBuffer) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1561] return data; [L1567] RET, EXPR badSource(data) [L1567] data = badSource(data) [L1568] COND TRUE data > 0 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [data=1073741824, 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: 1570]: 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, 17 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=17occurred 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, 9 NumberOfCodeBlocks, 9 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 [2022-11-22 01:48:34,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba --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 c59176cd00520a5a4aca656e3f81e02c964e0650c21d035534f9139b7ed3a3bf --- 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-b5237d8 [2022-11-22 01:48:36,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:48:36,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:48:36,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:48:36,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:48:37,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:48:37,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:48:37,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:48:37,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:48:37,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:48:37,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:48:37,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:48:37,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:48:37,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:48:37,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:48:37,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:48:37,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:48:37,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:48:37,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:48:37,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:48:37,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:48:37,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:48:37,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:48:37,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:48:37,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:48:37,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:48:37,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:48:37,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:48:37,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:48:37,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:48:37,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:48:37,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:48:37,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:48:37,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:48:37,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:48:37,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:48:37,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:48:37,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:48:37,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:48:37,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:48:37,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:48:37,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-22 01:48:37,073 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:48:37,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:48:37,076 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:48:37,076 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:48:37,077 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:48:37,077 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:48:37,078 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:48:37,078 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:48:37,078 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:48:37,078 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:48:37,079 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:48:37,080 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:48:37,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:48:37,081 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:48:37,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:48:37,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:48:37,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:48:37,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:48:37,082 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:48:37,082 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 01:48:37,082 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:48:37,082 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 01:48:37,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:48:37,083 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:48:37,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:48:37,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:48:37,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 01:48:37,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:48:37,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:48:37,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:48:37,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:48:37,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:48:37,085 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 01:48:37,085 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 01:48:37,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:48:37,086 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:48:37,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 01:48:37,086 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_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59176cd00520a5a4aca656e3f81e02c964e0650c21d035534f9139b7ed3a3bf [2022-11-22 01:48:37,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:48:37,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:48:37,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:48:37,550 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:48:37,550 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:48:37,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i [2022-11-22 01:48:40,611 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:48:41,056 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:48:41,057 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i [2022-11-22 01:48:41,094 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/data/e2e3f034e/fb25061607c840809be28e779a798f0e/FLAG1005892e0 [2022-11-22 01:48:41,121 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808dfae8-f3e4-426d-a936-c1231ca23272/bin/utaipan-g80aRyZoba/data/e2e3f034e/fb25061607c840809be28e779a798f0e [2022-11-22 01:48:41,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:48:41,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:48:41,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:48:41,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:48:41,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:48:41,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:48:41" (1/1) ... [2022-11-22 01:48:41,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f3923b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:48:41, skipping insertion in model container [2022-11-22 01:48:41,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:48:41" (1/1) ... [2022-11-22 01:48:41,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:48:41,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:48:41,682 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 01:48:41,955 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) [2022-11-22 01:48:41,961 INFO L158 Benchmark]: Toolchain (without parser) took 829.48ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 33.7MB in the beginning and 66.3MB in the end (delta: -32.6MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-11-22 01:48:41,961 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.7MB in the end (delta: 49.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:48:41,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 824.16ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 33.6MB in the beginning and 66.3MB in the end (delta: -32.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-11-22 01:48:41,965 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.7MB in the end (delta: 49.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 824.16ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 33.6MB in the beginning and 66.3MB in the end (delta: -32.7MB). Peak memory consumption was 10.7MB. 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.