./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b8a9e12803e863b4433a7218437f259812e6cd66590c42c61a482fb1198e9332 --- 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-2329fc7 [2022-12-13 20:35:13,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:35:13,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:35:13,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:35:13,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:35:13,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:35:13,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:35:13,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:35:13,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:35:13,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:35:13,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:35:13,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:35:13,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:35:13,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:35:13,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:35:13,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:35:13,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:35:13,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:35:13,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:35:13,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:35:13,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:35:13,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:35:13,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:35:13,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:35:13,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:35:13,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:35:13,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:35:13,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:35:13,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:35:13,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:35:13,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:35:13,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:35:13,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:35:13,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:35:13,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:35:13,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:35:13,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:35:13,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:35:13,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:35:13,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:35:13,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:35:13,937 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 20:35:13,957 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:35:13,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:35:13,958 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:35:13,958 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:35:13,959 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:35:13,959 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:35:13,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:35:13,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:35:13,960 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:35:13,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:35:13,960 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:35:13,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:35:13,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:35:13,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:35:13,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:35:13,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:35:13,961 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:35:13,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:35:13,962 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:35:13,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:35:13,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:35:13,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:35:13,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:35:13,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:35:13,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:35:13,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:35:13,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:35:13,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:35:13,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:35:13,964 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:35:13,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:35:13,964 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:35:13,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:35:13,964 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:35:13,965 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8a9e12803e863b4433a7218437f259812e6cd66590c42c61a482fb1198e9332 [2022-12-13 20:35:14,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:35:14,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:35:14,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:35:14,198 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:35:14,198 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:35:14,199 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.i [2022-12-13 20:35:16,776 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:35:17,019 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:35:17,020 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.i [2022-12-13 20:35:17,032 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/data/aa5908961/5200e56b8ade48ca80dd891860e98810/FLAG04ae9d03d [2022-12-13 20:35:17,355 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/data/aa5908961/5200e56b8ade48ca80dd891860e98810 [2022-12-13 20:35:17,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:35:17,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:35:17,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:35:17,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:35:17,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:35:17,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:35:17" (1/1) ... [2022-12-13 20:35:17,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d230779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:17, skipping insertion in model container [2022-12-13 20:35:17,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:35:17" (1/1) ... [2022-12-13 20:35:17,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:35:17,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:35:17,622 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:35:17,911 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:35:17,915 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:35:17,917 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:35:17,918 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:35:17,919 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:35:17,934 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 20:35:17,936 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:35:17,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:35:17,946 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:35:17,959 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:35:17,987 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:35:17,988 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:35:17,989 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:35:17,991 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:35:17,991 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:35:17,994 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 20:35:17,995 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:35:17,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:35:18,080 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:35:18,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:18 WrapperNode [2022-12-13 20:35:18,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:35:18,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:35:18,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:35:18,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:35:18,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:18" (1/1) ... [2022-12-13 20:35:18,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:18" (1/1) ... [2022-12-13 20:35:18,116 INFO L138 Inliner]: procedures = 501, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2022-12-13 20:35:18,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:35:18,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:35:18,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:35:18,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:35:18,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:18" (1/1) ... [2022-12-13 20:35:18,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:18" (1/1) ... [2022-12-13 20:35:18,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:18" (1/1) ... [2022-12-13 20:35:18,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:18" (1/1) ... [2022-12-13 20:35:18,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:18" (1/1) ... [2022-12-13 20:35:18,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:18" (1/1) ... [2022-12-13 20:35:18,131 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:18" (1/1) ... [2022-12-13 20:35:18,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:18" (1/1) ... [2022-12-13 20:35:18,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:35:18,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:35:18,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:35:18,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:35:18,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:18" (1/1) ... [2022-12-13 20:35:18,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:35:18,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:35:18,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:35:18,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:35:18,192 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 20:35:18,193 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 20:35:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 20:35:18,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:35:18,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 20:35:18,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 20:35:18,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:35:18,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:35:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:35:18,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:35:18,193 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 20:35:18,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 20:35:18,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:35:18,305 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:35:18,306 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:35:18,412 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:35:18,417 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:35:18,418 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:35:18,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:35:18 BoogieIcfgContainer [2022-12-13 20:35:18,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:35:18,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:35:18,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:35:18,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:35:18,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:35:17" (1/3) ... [2022-12-13 20:35:18,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb672f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:35:18, skipping insertion in model container [2022-12-13 20:35:18,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:18" (2/3) ... [2022-12-13 20:35:18,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb672f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:35:18, skipping insertion in model container [2022-12-13 20:35:18,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:35:18" (3/3) ... [2022-12-13 20:35:18,428 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_63_bad.i [2022-12-13 20:35:18,446 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:35:18,446 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 20:35:18,485 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:35:18,490 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=PETRI_NET, 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;@5c4b4a1d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:35:18,491 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 20:35:18,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 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) [2022-12-13 20:35:18,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 20:35:18,499 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:35:18,500 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:35:18,500 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:35:18,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:35:18,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1073154618, now seen corresponding path program 1 times [2022-12-13 20:35:18,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:35:18,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940175475] [2022-12-13 20:35:18,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:35:18,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:35:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:18,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:35:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:35:18,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:35:18,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940175475] [2022-12-13 20:35:18,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940175475] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:35:18,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:35:18,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:35:18,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959632774] [2022-12-13 20:35:18,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:35:18,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:35:18,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:35:18,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:35:18,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:35:18,966 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 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) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:35:19,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:35:19,007 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-12-13 20:35:19,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:35:19,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 20:35:19,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:35:19,014 INFO L225 Difference]: With dead ends: 23 [2022-12-13 20:35:19,014 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 20:35:19,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:35:19,018 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 15 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:35:19,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 45 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:35:19,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 20:35:19,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 20:35:19,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 20:35:19,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2022-12-13 20:35:19,043 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2022-12-13 20:35:19,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:35:19,044 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-12-13 20:35:19,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:35:19,044 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-12-13 20:35:19,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 20:35:19,045 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:35:19,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:35:19,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:35:19,046 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:35:19,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:35:19,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1091945264, now seen corresponding path program 1 times [2022-12-13 20:35:19,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:35:19,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840497850] [2022-12-13 20:35:19,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:35:19,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:35:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:35:19,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:35:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:35:19,097 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:35:19,097 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:35:19,098 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 20:35:19,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 20:35:19,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:35:19,102 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 20:35:19,105 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:35:19,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:35:19 BoogieIcfgContainer [2022-12-13 20:35:19,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:35:19,123 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:35:19,123 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:35:19,123 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:35:19,123 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:35:18" (3/4) ... [2022-12-13 20:35:19,125 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 20:35:19,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:35:19,126 INFO L158 Benchmark]: Toolchain (without parser) took 1767.67ms. Allocated memory is still 136.3MB. Free memory was 98.4MB in the beginning and 54.4MB in the end (delta: 44.0MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2022-12-13 20:35:19,126 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory was 80.9MB in the beginning and 80.8MB in the end (delta: 118.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:35:19,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 721.38ms. Allocated memory is still 136.3MB. Free memory was 98.0MB in the beginning and 81.2MB in the end (delta: 16.8MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2022-12-13 20:35:19,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.12ms. Allocated memory is still 136.3MB. Free memory was 81.2MB in the beginning and 78.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:35:19,127 INFO L158 Benchmark]: Boogie Preprocessor took 16.87ms. Allocated memory is still 136.3MB. Free memory was 78.3MB in the beginning and 76.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:35:19,128 INFO L158 Benchmark]: RCFGBuilder took 285.87ms. Allocated memory is still 136.3MB. Free memory was 76.3MB in the beginning and 62.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 20:35:19,128 INFO L158 Benchmark]: TraceAbstraction took 700.25ms. Allocated memory is still 136.3MB. Free memory was 62.4MB in the beginning and 55.3MB in the end (delta: 7.1MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2022-12-13 20:35:19,128 INFO L158 Benchmark]: Witness Printer took 2.96ms. Allocated memory is still 136.3MB. Free memory was 55.3MB in the beginning and 54.4MB in the end (delta: 859.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:35:19,130 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory was 80.9MB in the beginning and 80.8MB in the end (delta: 118.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 721.38ms. Allocated memory is still 136.3MB. Free memory was 98.0MB in the beginning and 81.2MB in the end (delta: 16.8MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.12ms. Allocated memory is still 136.3MB. Free memory was 81.2MB in the beginning and 78.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.87ms. Allocated memory is still 136.3MB. Free memory was 78.3MB in the beginning and 76.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 285.87ms. Allocated memory is still 136.3MB. Free memory was 76.3MB in the beginning and 62.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 700.25ms. Allocated memory is still 136.3MB. Free memory was 62.4MB in the beginning and 55.3MB in the end (delta: 7.1MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Witness Printer took 2.96ms. Allocated memory is still 136.3MB. Free memory was 55.3MB in the beginning and 54.4MB in the end (delta: 859.7kB). Peak memory consumption was 2.1MB. 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] 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) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=2147483657, argc=2147483657, argv={2147483654:2147483658}, argv={2147483654:2147483658}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564] CALL CWE190_Integer_Overflow__int_fgets_add_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1578] data + 1 VAL [data=2147483647, dataPtr={6:0}, dataPtr={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: 1578]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 19 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2022-12-13 20:35:19,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/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_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b8a9e12803e863b4433a7218437f259812e6cd66590c42c61a482fb1198e9332 --- 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-2329fc7 [2022-12-13 20:35:20,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:35:20,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:35:20,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:35:20,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:35:20,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:35:20,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:35:20,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:35:20,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:35:20,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:35:20,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:35:20,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:35:20,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:35:20,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:35:20,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:35:20,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:35:20,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:35:20,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:35:20,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:35:20,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:35:20,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:35:20,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:35:20,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:35:20,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:35:20,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:35:20,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:35:20,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:35:20,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:35:20,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:35:20,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:35:20,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:35:20,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:35:20,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:35:20,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:35:20,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:35:20,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:35:20,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:35:20,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:35:20,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:35:20,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:35:20,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:35:20,972 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 20:35:20,999 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:35:21,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:35:21,000 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:35:21,000 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:35:21,001 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:35:21,001 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:35:21,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:35:21,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:35:21,002 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:35:21,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:35:21,002 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:35:21,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:35:21,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:35:21,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:35:21,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:35:21,003 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 20:35:21,003 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 20:35:21,003 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:35:21,003 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 20:35:21,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:35:21,004 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:35:21,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:35:21,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:35:21,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:35:21,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:35:21,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:35:21,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:35:21,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:35:21,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:35:21,005 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 20:35:21,005 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 20:35:21,006 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:35:21,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:35:21,006 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:35:21,006 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:35:21,006 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 20:35:21,006 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:35:21,007 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8a9e12803e863b4433a7218437f259812e6cd66590c42c61a482fb1198e9332 [2022-12-13 20:35:21,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:35:21,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:35:21,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:35:21,256 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:35:21,257 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:35:21,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.i [2022-12-13 20:35:23,819 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:35:24,096 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:35:24,096 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_63_bad.i [2022-12-13 20:35:24,116 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/data/066ec1994/5b2adc5defc64b5d8566e6de08248153/FLAG688211d38 [2022-12-13 20:35:24,130 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/data/066ec1994/5b2adc5defc64b5d8566e6de08248153 [2022-12-13 20:35:24,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:35:24,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:35:24,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:35:24,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:35:24,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:35:24,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:35:24" (1/1) ... [2022-12-13 20:35:24,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@435a4e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:24, skipping insertion in model container [2022-12-13 20:35:24,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:35:24" (1/1) ... [2022-12-13 20:35:24,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:35:24,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:35:24,461 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:35:24,759 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:35:24,763 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:35:24,764 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:35:24,766 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:35:24,766 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:35:24,780 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 20:35:24,782 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:35:24,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:35:24,795 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:35:24,811 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:35:24,860 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:35:24,862 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:35:24,863 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:35:24,865 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:35:24,866 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:35:24,870 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 20:35:24,871 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:35:24,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:35:24,965 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:35:24,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:24 WrapperNode [2022-12-13 20:35:24,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:35:24,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:35:24,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:35:24,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:35:24,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:24" (1/1) ... [2022-12-13 20:35:24,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:24" (1/1) ... [2022-12-13 20:35:25,018 INFO L138 Inliner]: procedures = 506, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2022-12-13 20:35:25,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:35:25,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:35:25,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:35:25,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:35:25,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:24" (1/1) ... [2022-12-13 20:35:25,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:24" (1/1) ... [2022-12-13 20:35:25,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:24" (1/1) ... [2022-12-13 20:35:25,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:24" (1/1) ... [2022-12-13 20:35:25,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:24" (1/1) ... [2022-12-13 20:35:25,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:24" (1/1) ... [2022-12-13 20:35:25,044 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:24" (1/1) ... [2022-12-13 20:35:25,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:24" (1/1) ... [2022-12-13 20:35:25,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:35:25,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:35:25,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:35:25,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:35:25,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:24" (1/1) ... [2022-12-13 20:35:25,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:35:25,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:35:25,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:35:25,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:35:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 20:35:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 20:35:25,108 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 20:35:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:35:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 20:35:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:35:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:35:25,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:35:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 20:35:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:35:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 20:35:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 20:35:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 20:35:25,234 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:35:25,235 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:35:25,371 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:35:25,376 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:35:25,376 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:35:25,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:35:25 BoogieIcfgContainer [2022-12-13 20:35:25,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:35:25,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:35:25,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:35:25,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:35:25,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:35:24" (1/3) ... [2022-12-13 20:35:25,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b889c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:35:25, skipping insertion in model container [2022-12-13 20:35:25,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:35:24" (2/3) ... [2022-12-13 20:35:25,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b889c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:35:25, skipping insertion in model container [2022-12-13 20:35:25,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:35:25" (3/3) ... [2022-12-13 20:35:25,384 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_63_bad.i [2022-12-13 20:35:25,397 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:35:25,397 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 20:35:25,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:35:25,436 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=PETRI_NET, 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;@75145000, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:35:25,436 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 20:35:25,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 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) [2022-12-13 20:35:25,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 20:35:25,445 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:35:25,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:35:25,445 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:35:25,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:35:25,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1073154618, now seen corresponding path program 1 times [2022-12-13 20:35:25,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:35:25,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1754922923] [2022-12-13 20:35:25,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:35:25,461 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:35:25,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:35:25,463 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 20:35:25,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 20:35:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:25,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 20:35:25,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:35:25,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:35:25,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:35:25,612 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:35:25,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1754922923] [2022-12-13 20:35:25,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1754922923] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:35:25,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:35:25,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 20:35:25,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134684942] [2022-12-13 20:35:25,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:35:25,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 20:35:25,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:35:25,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 20:35:25,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:35:25,644 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 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) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:35:25,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:35:25,657 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-12-13 20:35:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 20:35:25,658 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 20:35:25,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:35:25,663 INFO L225 Difference]: With dead ends: 23 [2022-12-13 20:35:25,663 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 20:35:25,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:35:25,667 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:35:25,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:35:25,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 20:35:25,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-13 20:35:25,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 20:35:25,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2022-12-13 20:35:25,696 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2022-12-13 20:35:25,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:35:25,697 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-12-13 20:35:25,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:35:25,697 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-12-13 20:35:25,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 20:35:25,698 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:35:25,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:35:25,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 20:35:25,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:35:25,899 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:35:25,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:35:25,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1091945264, now seen corresponding path program 1 times [2022-12-13 20:35:25,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:35:25,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968264530] [2022-12-13 20:35:25,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:35:25,900 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:35:25,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:35:25,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 20:35:25,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 20:35:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:35:26,038 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:35:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:35:26,107 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 20:35:26,108 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:35:26,109 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 20:35:26,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 20:35:26,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 20:35:26,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 20:35:26,324 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 20:35:26,336 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:35:26,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:35:26 BoogieIcfgContainer [2022-12-13 20:35:26,374 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:35:26,374 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:35:26,374 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:35:26,374 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:35:26,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:35:25" (3/4) ... [2022-12-13 20:35:26,377 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 20:35:26,377 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:35:26,377 INFO L158 Benchmark]: Toolchain (without parser) took 2243.55ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 46.1MB in the beginning and 43.7MB in the end (delta: 2.3MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2022-12-13 20:35:26,378 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory was 30.9MB in the beginning and 30.9MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:35:26,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 831.10ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 45.8MB in the beginning and 46.5MB in the end (delta: -615.2kB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2022-12-13 20:35:26,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.30ms. Allocated memory is still 86.0MB. Free memory was 46.5MB in the beginning and 43.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:35:26,378 INFO L158 Benchmark]: Boogie Preprocessor took 29.94ms. Allocated memory is still 86.0MB. Free memory was 43.5MB in the beginning and 41.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:35:26,379 INFO L158 Benchmark]: RCFGBuilder took 327.91ms. Allocated memory is still 86.0MB. Free memory was 41.0MB in the beginning and 48.1MB in the end (delta: -7.1MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-12-13 20:35:26,379 INFO L158 Benchmark]: TraceAbstraction took 994.37ms. Allocated memory is still 86.0MB. Free memory was 47.5MB in the beginning and 43.7MB in the end (delta: 3.8MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2022-12-13 20:35:26,379 INFO L158 Benchmark]: Witness Printer took 2.69ms. Allocated memory is still 86.0MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:35:26,381 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory was 30.9MB in the beginning and 30.9MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 831.10ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 45.8MB in the beginning and 46.5MB in the end (delta: -615.2kB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.30ms. Allocated memory is still 86.0MB. Free memory was 46.5MB in the beginning and 43.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.94ms. Allocated memory is still 86.0MB. Free memory was 43.5MB in the beginning and 41.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.91ms. Allocated memory is still 86.0MB. Free memory was 41.0MB in the beginning and 48.1MB in the end (delta: -7.1MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * TraceAbstraction took 994.37ms. Allocated memory is still 86.0MB. Free memory was 47.5MB in the beginning and 43.7MB in the end (delta: 3.8MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Witness Printer took 2.69ms. Allocated memory is still 86.0MB. Free memory is still 43.7MB. 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] 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) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564] CALL CWE190_Integer_Overflow__int_fgets_add_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1578] data + 1 VAL [data=2147483647, dataPtr={15:0}, dataPtr={15:0}, 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: 1578]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 93 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2022-12-13 20:35:26,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13051b9f-e5c9-4b4b-85ea-41a36e81d80f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample