./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 647f45b8ea711897b723bc94e8bcadcfaeb96b9098cf2973f5d00bda379da59c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:51:47,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:51:47,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:51:47,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:51:47,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:51:47,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:51:47,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:51:47,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:51:47,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:51:47,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:51:47,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:51:47,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:51:47,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:51:47,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:51:47,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:51:47,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:51:47,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:51:47,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:51:47,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:51:47,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:51:47,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:51:47,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:51:47,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:51:47,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:51:47,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:51:47,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:51:47,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:51:47,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:51:47,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:51:47,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:51:47,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:51:47,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:51:47,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:51:47,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:51:47,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:51:47,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:51:47,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:51:47,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:51:47,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:51:47,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:51:47,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:51:47,943 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:51:47,970 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:51:47,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:51:47,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:51:47,972 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:51:47,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:51:47,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:51:47,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:51:47,974 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:51:47,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:51:47,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:51:47,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:51:47,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:51:47,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:51:47,976 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:51:47,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:51:47,977 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:51:47,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:51:47,978 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:51:47,978 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:51:47,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:51:47,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:51:47,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:51:47,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:51:47,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:51:47,980 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:51:47,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:51:47,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:51:47,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 647f45b8ea711897b723bc94e8bcadcfaeb96b9098cf2973f5d00bda379da59c [2022-11-20 17:51:48,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:51:48,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:51:48,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:51:48,363 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:51:48,364 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:51:48,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_bad.i [2022-11-20 17:51:51,733 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:51:52,196 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:51:52,197 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_bad.i [2022-11-20 17:51:52,232 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/data/17cf2dd2a/b8f6228316044ed69601fae6c905c617/FLAG87b457dc5 [2022-11-20 17:51:52,254 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/data/17cf2dd2a/b8f6228316044ed69601fae6c905c617 [2022-11-20 17:51:52,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:51:52,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:51:52,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:51:52,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:51:52,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:51:52,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:51:52" (1/1) ... [2022-11-20 17:51:52,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a958850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:52, skipping insertion in model container [2022-11-20 17:51:52,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:51:52" (1/1) ... [2022-11-20 17:51:52,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:51:52,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:51:52,878 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:51:53,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:51:53,524 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:51:53,558 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:51:53,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:51:53,772 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:51:53,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:53 WrapperNode [2022-11-20 17:51:53,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:51:53,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:51:53,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:51:53,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:51:53,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:53" (1/1) ... [2022-11-20 17:51:53,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:53" (1/1) ... [2022-11-20 17:51:53,900 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2022-11-20 17:51:53,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:51:53,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:51:53,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:51:53,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:51:53,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:53" (1/1) ... [2022-11-20 17:51:53,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:53" (1/1) ... [2022-11-20 17:51:53,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:53" (1/1) ... [2022-11-20 17:51:53,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:53" (1/1) ... [2022-11-20 17:51:53,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:53" (1/1) ... [2022-11-20 17:51:53,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:53" (1/1) ... [2022-11-20 17:51:53,949 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:53" (1/1) ... [2022-11-20 17:51:53,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:53" (1/1) ... [2022-11-20 17:51:53,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:51:53,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:51:53,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:51:53,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:51:53,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:53" (1/1) ... [2022-11-20 17:51:53,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:51:53,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:51:54,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:51:54,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:51:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 17:51:54,072 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:51:54,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:51:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:51:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 17:51:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:51:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:51:54,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:51:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:51:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:51:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:51:54,301 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:51:54,321 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:51:54,519 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:51:54,575 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:51:54,576 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:51:54,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:51:54 BoogieIcfgContainer [2022-11-20 17:51:54,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:51:54,599 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:51:54,599 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:51:54,620 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:51:54,620 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:51:54" (1/1) ... [2022-11-20 17:51:54,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:51:54,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:51:54,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2022-11-20 17:51:54,727 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-11-20 17:51:54,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:51:54,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:51:54,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:51:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:51:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:51:55,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:51:55,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 21 transitions. [2022-11-20 17:51:55,231 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-11-20 17:51:55,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:51:55,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:51:55,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:51:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:51:55,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:51:55,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:51:55,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 26 transitions. [2022-11-20 17:51:55,448 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-11-20 17:51:55,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:51:55,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:51:55,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:51:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:51:55,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:51:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:51:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:51:55,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:51:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:51:55,638 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-11-20 17:51:55,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:51:55 ImpRootNode [2022-11-20 17:51:55,689 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:51:55,690 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:51:55,690 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:51:55,690 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:51:55,690 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:51:54" (3/4) ... [2022-11-20 17:51:55,694 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 17:51:55,694 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:51:55,695 INFO L158 Benchmark]: Toolchain (without parser) took 3432.91ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 110.5MB in the beginning and 102.7MB in the end (delta: 7.9MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2022-11-20 17:51:55,696 INFO L158 Benchmark]: CDTParser took 1.84ms. Allocated memory is still 146.8MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:51:55,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1506.62ms. Allocated memory is still 146.8MB. Free memory was 110.5MB in the beginning and 49.2MB in the end (delta: 61.3MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-20 17:51:55,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.45ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 49.2MB in the beginning and 153.0MB in the end (delta: -103.8MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-11-20 17:51:55,698 INFO L158 Benchmark]: Boogie Preprocessor took 62.39ms. Allocated memory is still 184.5MB. Free memory was 153.0MB in the beginning and 150.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:51:55,699 INFO L158 Benchmark]: RCFGBuilder took 632.96ms. Allocated memory is still 184.5MB. Free memory was 150.9MB in the beginning and 136.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:51:55,700 INFO L158 Benchmark]: CodeCheck took 1090.56ms. Allocated memory is still 184.5MB. Free memory was 136.2MB in the beginning and 102.7MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-20 17:51:55,701 INFO L158 Benchmark]: Witness Printer took 4.82ms. Allocated memory is still 184.5MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:51:55,704 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 38 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1577] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1577] RET printLine("Calling bad()...") VAL [\old(argc)=18, argc=18, 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] [L1578] CALL CWE191_Integer_Underflow__int_fgets_sub_13_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE GLOBAL_CONST_FIVE==5 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data - 1 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.84ms. Allocated memory is still 146.8MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1506.62ms. Allocated memory is still 146.8MB. Free memory was 110.5MB in the beginning and 49.2MB in the end (delta: 61.3MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.45ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 49.2MB in the beginning and 153.0MB in the end (delta: -103.8MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.39ms. Allocated memory is still 184.5MB. Free memory was 153.0MB in the beginning and 150.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 632.96ms. Allocated memory is still 184.5MB. Free memory was 150.9MB in the beginning and 136.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1090.56ms. Allocated memory is still 184.5MB. Free memory was 136.2MB in the beginning and 102.7MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.82ms. Allocated memory is still 184.5MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 17:51:55,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 647f45b8ea711897b723bc94e8bcadcfaeb96b9098cf2973f5d00bda379da59c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:51:58,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:51:58,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:51:58,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:51:58,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:51:58,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:51:58,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:51:58,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:51:58,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:51:58,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:51:58,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:51:58,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:51:58,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:51:58,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:51:58,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:51:58,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:51:58,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:51:58,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:51:58,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:51:58,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:51:58,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:51:58,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:51:58,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:51:58,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:51:58,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:51:58,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:51:58,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:51:58,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:51:58,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:51:58,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:51:58,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:51:58,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:51:58,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:51:58,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:51:58,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:51:58,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:51:58,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:51:58,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:51:58,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:51:58,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:51:58,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:51:58,768 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 17:51:58,821 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:51:58,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:51:58,827 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:51:58,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:51:58,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:51:58,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:51:58,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:51:58,833 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:51:58,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:51:58,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:51:58,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:51:58,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:51:58,836 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:51:58,836 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:51:58,836 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:51:58,836 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:51:58,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:51:58,837 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:51:58,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:51:58,837 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:51:58,838 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:51:58,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:51:58,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:51:58,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:51:58,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:51:58,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:51:58,839 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:51:58,840 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:51:58,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:51:58,840 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:51:58,840 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:51:58,841 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 647f45b8ea711897b723bc94e8bcadcfaeb96b9098cf2973f5d00bda379da59c [2022-11-20 17:51:59,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:51:59,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:51:59,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:51:59,303 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:51:59,304 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:51:59,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_bad.i [2022-11-20 17:52:02,825 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:52:03,261 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:52:03,261 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_bad.i [2022-11-20 17:52:03,296 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/data/5fb5da9c9/da390cafbe014ab88904decb60a40db9/FLAG1c9da2cc1 [2022-11-20 17:52:03,317 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee90d7a6-4180-4181-9d66-dce5f77d3e8d/bin/ukojak-pZX7IvK2PQ/data/5fb5da9c9/da390cafbe014ab88904decb60a40db9 [2022-11-20 17:52:03,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:52:03,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:52:03,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:52:03,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:52:03,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:52:03,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:52:03" (1/1) ... [2022-11-20 17:52:03,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9bc5c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:03, skipping insertion in model container [2022-11-20 17:52:03,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:52:03" (1/1) ... [2022-11-20 17:52:03,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:52:03,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:52:03,838 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:52:04,190 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:52:04,200 INFO L158 Benchmark]: Toolchain (without parser) took 877.17ms. Allocated memory is still 79.7MB. Free memory was 53.5MB in the beginning and 38.3MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:52:04,201 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 79.7MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:52:04,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 874.74ms. Allocated memory is still 79.7MB. Free memory was 53.3MB in the beginning and 38.3MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:52:04,203 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 79.7MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 874.74ms. Allocated memory is still 79.7MB. Free memory was 53.3MB in the beginning and 38.3MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.