./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_12_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg --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 9669eaa504993e58400e39aa486d7137654633921a41df1436ba4312e9969738 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:27:34,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:27:34,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:27:34,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:27:34,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:27:34,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:27:34,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:27:34,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:27:34,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:27:34,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:27:34,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:27:34,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:27:34,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:27:34,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:27:34,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:27:34,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:27:34,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:27:34,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:27:34,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:27:34,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:27:34,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:27:34,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:27:34,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:27:34,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:27:34,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:27:34,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:27:34,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:27:34,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:27:34,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:27:34,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:27:34,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:27:34,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:27:34,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:27:34,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:27:34,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:27:34,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:27:34,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:27:34,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:27:34,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:27:34,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:27:34,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:27:34,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:27:35,019 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:27:35,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:27:35,022 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:27:35,022 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:27:35,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:27:35,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:27:35,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:27:35,024 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:27:35,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:27:35,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:27:35,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:27:35,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:27:35,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:27:35,026 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:27:35,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:27:35,027 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:27:35,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:27:35,027 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:27:35,027 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:27:35,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:27:35,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:27:35,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:27:35,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:27:35,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:27:35,028 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:27:35,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:27:35,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:27:35,029 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_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9669eaa504993e58400e39aa486d7137654633921a41df1436ba4312e9969738 [2022-11-21 23:27:35,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:27:35,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:27:35,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:27:35,387 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:27:35,387 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:27:35,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_12_bad.i [2022-11-21 23:27:38,551 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:27:39,076 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:27:39,077 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_12_bad.i [2022-11-21 23:27:39,100 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/data/4bf1a3021/c85d4f7517aa4dad8195618b17cdee3f/FLAGb228ef3b6 [2022-11-21 23:27:39,115 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/data/4bf1a3021/c85d4f7517aa4dad8195618b17cdee3f [2022-11-21 23:27:39,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:27:39,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:27:39,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:27:39,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:27:39,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:27:39,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:27:39" (1/1) ... [2022-11-21 23:27:39,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d8945c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:39, skipping insertion in model container [2022-11-21 23:27:39,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:27:39" (1/1) ... [2022-11-21 23:27:39,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:27:39,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:27:39,598 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:27:40,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:27:40,285 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:27:40,321 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:27:40,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:27:40,509 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:27:40,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:40 WrapperNode [2022-11-21 23:27:40,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:27:40,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:27:40,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:27:40,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:27:40,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:40" (1/1) ... [2022-11-21 23:27:40,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:40" (1/1) ... [2022-11-21 23:27:40,616 INFO L138 Inliner]: procedures = 500, calls = 67, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2022-11-21 23:27:40,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:27:40,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:27:40,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:27:40,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:27:40,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:40" (1/1) ... [2022-11-21 23:27:40,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:40" (1/1) ... [2022-11-21 23:27:40,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:40" (1/1) ... [2022-11-21 23:27:40,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:40" (1/1) ... [2022-11-21 23:27:40,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:40" (1/1) ... [2022-11-21 23:27:40,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:40" (1/1) ... [2022-11-21 23:27:40,682 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:40" (1/1) ... [2022-11-21 23:27:40,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:40" (1/1) ... [2022-11-21 23:27:40,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:27:40,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:27:40,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:27:40,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:27:40,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:40" (1/1) ... [2022-11-21 23:27:40,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:27:40,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:27:40,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:27:40,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:27:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:27:40,780 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:27:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 23:27:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-21 23:27:40,781 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-21 23:27:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:27:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:27:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:27:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 23:27:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:27:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:27:40,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:27:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:27:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:27:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:27:40,965 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:27:40,967 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:27:41,181 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:27:41,247 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:27:41,248 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:27:41,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:27:41 BoogieIcfgContainer [2022-11-21 23:27:41,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:27:41,251 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:27:41,252 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:27:41,262 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:27:41,262 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:27:41" (1/1) ... [2022-11-21 23:27:41,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:27:41,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:27:41,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2022-11-21 23:27:41,329 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2022-11-21 23:27:41,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:27:41,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:27:41,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:27:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:27:41,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:27:41,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:27:41,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2022-11-21 23:27:41,750 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2022-11-21 23:27:41,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:27:41,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:27:41,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:27:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:27:41,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:27:41,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:27:41,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2022-11-21 23:27:41,940 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2022-11-21 23:27:41,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:27:41,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:27:41,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:27:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:27:42,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:27:42,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:27:42,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 45 states and 59 transitions. [2022-11-21 23:27:42,069 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2022-11-21 23:27:42,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:27:42,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:27:42,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:27:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:27:42,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:27:42,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:27:42,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 50 states and 67 transitions. [2022-11-21 23:27:42,294 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-21 23:27:42,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:27:42,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:27:42,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:27:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:27:42,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:27:42,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:27:42,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 53 states and 70 transitions. [2022-11-21 23:27:42,364 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-11-21 23:27:42,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:27:42,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:27:42,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:27:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:27:42,412 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:27:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:27:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:27:42,551 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:27:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:27:42,598 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2022-11-21 23:27:42,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:27:42 ImpRootNode [2022-11-21 23:27:42,670 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:27:42,671 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:27:42,671 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:27:42,672 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:27:42,672 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:27:41" (3/4) ... [2022-11-21 23:27:42,676 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 23:27:42,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:27:42,677 INFO L158 Benchmark]: Toolchain (without parser) took 3557.22ms. Allocated memory is still 153.1MB. Free memory was 118.8MB in the beginning and 95.1MB in the end (delta: 23.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-11-21 23:27:42,678 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 119.5MB. Free memory was 86.1MB in the beginning and 86.0MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:27:42,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1389.59ms. Allocated memory is still 153.1MB. Free memory was 118.8MB in the beginning and 58.8MB in the end (delta: 60.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-21 23:27:42,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.97ms. Allocated memory is still 153.1MB. Free memory was 58.8MB in the beginning and 122.6MB in the end (delta: -63.8MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-11-21 23:27:42,681 INFO L158 Benchmark]: Boogie Preprocessor took 69.52ms. Allocated memory is still 153.1MB. Free memory was 122.6MB in the beginning and 121.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:27:42,682 INFO L158 Benchmark]: RCFGBuilder took 563.66ms. Allocated memory is still 153.1MB. Free memory was 121.3MB in the beginning and 105.0MB in the end (delta: 16.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:27:42,687 INFO L158 Benchmark]: CodeCheck took 1419.10ms. Allocated memory is still 153.1MB. Free memory was 105.0MB in the beginning and 96.1MB in the end (delta: 8.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-11-21 23:27:42,688 INFO L158 Benchmark]: Witness Printer took 5.24ms. Allocated memory is still 153.1MB. Free memory was 96.1MB in the beginning and 95.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:27:42,697 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 4 procedures, 34 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 275 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 271 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 117 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 150 IncrementalHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 154 mSDtfsCounter, 150 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 623 GetRequests, 613 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 10/10 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: 1573]: 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); [L1593] 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={5:0}] [L1414] COND TRUE line != ((void *)0) [L1593] RET printLine("Calling bad()...") VAL [\old(argc)=28, argc=28, argv={29:27}, argv={29:27}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1594] CALL CWE191_Integer_Underflow__int_fgets_sub_12_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] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [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] [L1570] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1570] RET globalReturnsTrueOrFalse() VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1570] COND TRUE globalReturnsTrueOrFalse() [L1573] 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 0.58ms. Allocated memory is still 119.5MB. Free memory was 86.1MB in the beginning and 86.0MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1389.59ms. Allocated memory is still 153.1MB. Free memory was 118.8MB in the beginning and 58.8MB in the end (delta: 60.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.97ms. Allocated memory is still 153.1MB. Free memory was 58.8MB in the beginning and 122.6MB in the end (delta: -63.8MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.52ms. Allocated memory is still 153.1MB. Free memory was 122.6MB in the beginning and 121.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 563.66ms. Allocated memory is still 153.1MB. Free memory was 121.3MB in the beginning and 105.0MB in the end (delta: 16.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1419.10ms. Allocated memory is still 153.1MB. Free memory was 105.0MB in the beginning and 96.1MB in the end (delta: 8.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Witness Printer took 5.24ms. Allocated memory is still 153.1MB. Free memory was 96.1MB in the beginning and 95.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 23:27:42,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg --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 9669eaa504993e58400e39aa486d7137654633921a41df1436ba4312e9969738 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:27:45,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:27:45,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:27:45,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:27:45,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:27:45,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:27:45,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:27:45,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:27:45,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:27:45,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:27:45,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:27:45,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:27:45,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:27:45,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:27:45,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:27:45,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:27:45,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:27:45,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:27:45,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:27:45,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:27:45,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:27:45,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:27:45,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:27:45,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:27:45,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:27:45,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:27:45,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:27:45,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:27:45,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:27:45,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:27:45,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:27:45,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:27:45,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:27:45,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:27:45,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:27:45,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:27:45,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:27:45,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:27:45,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:27:45,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:27:45,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:27:45,268 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-21 23:27:45,309 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:27:45,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:27:45,312 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:27:45,312 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:27:45,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:27:45,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:27:45,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:27:45,314 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:27:45,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:27:45,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:27:45,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:27:45,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:27:45,316 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:27:45,316 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:27:45,316 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:27:45,317 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:27:45,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:27:45,317 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:27:45,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:27:45,317 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:27:45,318 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:27:45,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:27:45,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:27:45,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:27:45,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:27:45,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:27:45,319 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:27:45,319 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:27:45,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:27:45,320 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:27:45,320 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:27:45,320 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_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9669eaa504993e58400e39aa486d7137654633921a41df1436ba4312e9969738 [2022-11-21 23:27:45,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:27:45,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:27:45,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:27:45,744 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:27:45,744 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:27:45,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_12_bad.i [2022-11-21 23:27:48,840 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:27:49,249 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:27:49,250 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_12_bad.i [2022-11-21 23:27:49,274 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/data/ddf7ca093/c34f183a0e564852bb161245edd625bf/FLAGbd271fea9 [2022-11-21 23:27:49,294 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d281e41-928c-4acc-b6d5-f1f1d87363fd/bin/ukojak-jW3SillKbg/data/ddf7ca093/c34f183a0e564852bb161245edd625bf [2022-11-21 23:27:49,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:27:49,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:27:49,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:27:49,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:27:49,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:27:49,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:27:49" (1/1) ... [2022-11-21 23:27:49,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a05e288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:27:49, skipping insertion in model container [2022-11-21 23:27:49,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:27:49" (1/1) ... [2022-11-21 23:27:49,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:27:49,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:27:49,842 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:27:50,259 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) [2022-11-21 23:27:50,266 INFO L158 Benchmark]: Toolchain (without parser) took 958.73ms. Allocated memory is still 73.4MB. Free memory was 48.7MB in the beginning and 33.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:27:50,267 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory was 52.1MB in the beginning and 51.9MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:27:50,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 953.91ms. Allocated memory is still 73.4MB. Free memory was 48.4MB in the beginning and 33.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:27:50,270 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory was 52.1MB in the beginning and 51.9MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 953.91ms. Allocated memory is still 73.4MB. Free memory was 48.4MB in the beginning and 33.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.