./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_12_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/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_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/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_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/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 dddfccd8da9f12f34e194b4a9fc4c4f6991db16bc01a02bc13eca415e127610f --- 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 22:34:33,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:34:33,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:34:33,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:34:33,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:34:33,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:34:33,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:34:33,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:34:33,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:34:33,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:34:33,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:34:33,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:34:33,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:34:33,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:34:33,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:34:33,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:34:33,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:34:33,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:34:33,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:34:33,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:34:33,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:34:33,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:34:33,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:34:33,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:34:33,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:34:33,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:34:33,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:34:33,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:34:33,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:34:33,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:34:33,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:34:33,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:34:33,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:34:33,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:34:33,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:34:33,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:34:33,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:34:33,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:34:33,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:34:33,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:34:33,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:34:33,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:34:33,157 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:34:33,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:34:33,158 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:34:33,159 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:34:33,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:34:33,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:34:33,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:34:33,160 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:34:33,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:34:33,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:34:33,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:34:33,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:34:33,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:34:33,161 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:34:33,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:34:33,162 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:34:33,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:34:33,162 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:34:33,162 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:34:33,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:34:33,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:34:33,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:34:33,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:34:33,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:34:33,163 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:34:33,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:34:33,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:34:33,164 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_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dddfccd8da9f12f34e194b4a9fc4c4f6991db16bc01a02bc13eca415e127610f [2022-11-21 22:34:33,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:34:33,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:34:33,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:34:33,447 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:34:33,447 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:34:33,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_12_bad.i [2022-11-21 22:34:36,544 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:34:36,906 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:34:36,906 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_12_bad.i [2022-11-21 22:34:36,928 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg/data/247104469/785f99cde15f42c383598d416c250c33/FLAGeaf78f57c [2022-11-21 22:34:36,943 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg/data/247104469/785f99cde15f42c383598d416c250c33 [2022-11-21 22:34:36,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:34:36,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:34:36,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:34:36,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:34:36,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:34:36,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:34:36" (1/1) ... [2022-11-21 22:34:36,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38dbbc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:36, skipping insertion in model container [2022-11-21 22:34:36,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:34:36" (1/1) ... [2022-11-21 22:34:36,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:34:37,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:34:37,396 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:34:37,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:34:37,952 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:34:37,971 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:34:38,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:34:38,221 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:34:38,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:38 WrapperNode [2022-11-21 22:34:38,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:34:38,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:34:38,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:34:38,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:34:38,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:38" (1/1) ... [2022-11-21 22:34:38,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:38" (1/1) ... [2022-11-21 22:34:38,312 INFO L138 Inliner]: procedures = 500, calls = 67, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2022-11-21 22:34:38,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:34:38,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:34:38,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:34:38,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:34:38,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:38" (1/1) ... [2022-11-21 22:34:38,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:38" (1/1) ... [2022-11-21 22:34:38,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:38" (1/1) ... [2022-11-21 22:34:38,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:38" (1/1) ... [2022-11-21 22:34:38,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:38" (1/1) ... [2022-11-21 22:34:38,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:38" (1/1) ... [2022-11-21 22:34:38,360 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:38" (1/1) ... [2022-11-21 22:34:38,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:38" (1/1) ... [2022-11-21 22:34:38,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:34:38,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:34:38,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:34:38,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:34:38,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:38" (1/1) ... [2022-11-21 22:34:38,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:34:38,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:34:38,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:34:38,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:34:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 22:34:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 22:34:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 22:34:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-21 22:34:38,483 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-21 22:34:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:34:38,484 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:34:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:34:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 22:34:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:34:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:34:38,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:34:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:34:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:34:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:34:38,670 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:34:38,672 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:34:38,856 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:34:38,935 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:34:38,936 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:34:38,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:34:38 BoogieIcfgContainer [2022-11-21 22:34:38,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:34:38,939 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:34:38,939 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:34:38,949 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:34:38,950 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:34:38" (1/1) ... [2022-11-21 22:34:38,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:34:39,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:34:39,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2022-11-21 22:34:39,016 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-11-21 22:34:39,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 22:34:39,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:34:39,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:34:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:34:39,407 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 22:34:39,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:34:39,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 54 transitions. [2022-11-21 22:34:39,514 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2022-11-21 22:34:39,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:34:39,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:34:39,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:34:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:34:39,626 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 22:34:39,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:34:39,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2022-11-21 22:34:39,663 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2022-11-21 22:34:39,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:34:39,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:34:39,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:34:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:34:39,780 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 22:34:39,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:34:39,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2022-11-21 22:34:39,871 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-11-21 22:34:39,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:34:39,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:34:39,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:34:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:34:39,998 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 22:34:40,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:34:40,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2022-11-21 22:34:40,057 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2022-11-21 22:34:40,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:34:40,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:34:40,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:34:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:34:40,147 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 22:34:40,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:34:40,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2022-11-21 22:34:40,206 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2022-11-21 22:34:40,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:34:40,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:34:40,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:34:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:34:40,235 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:34:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:34:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:34:40,343 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:34:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:34:40,386 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2022-11-21 22:34:40,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:34:40 ImpRootNode [2022-11-21 22:34:40,458 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:34:40,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:34:40,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:34:40,459 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:34:40,460 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:34:38" (3/4) ... [2022-11-21 22:34:40,465 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 22:34:40,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:34:40,466 INFO L158 Benchmark]: Toolchain (without parser) took 3518.38ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 110.8MB in the beginning and 120.1MB in the end (delta: -9.3MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2022-11-21 22:34:40,466 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 159.4MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:34:40,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1274.39ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 110.2MB in the beginning and 143.0MB in the end (delta: -32.8MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2022-11-21 22:34:40,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.87ms. Allocated memory is still 192.9MB. Free memory was 143.0MB in the beginning and 139.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:34:40,470 INFO L158 Benchmark]: Boogie Preprocessor took 55.83ms. Allocated memory is still 192.9MB. Free memory was 139.9MB in the beginning and 138.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:34:40,474 INFO L158 Benchmark]: RCFGBuilder took 567.81ms. Allocated memory is still 192.9MB. Free memory was 138.8MB in the beginning and 122.1MB in the end (delta: 16.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:34:40,476 INFO L158 Benchmark]: CodeCheck took 1519.14ms. Allocated memory is still 192.9MB. Free memory was 122.1MB in the beginning and 121.2MB in the end (delta: 897.8kB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2022-11-21 22:34:40,476 INFO L158 Benchmark]: Witness Printer took 5.98ms. Allocated memory is still 192.9MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:34:40,484 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, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 291 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 216 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 198 IncrementalHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 140 mSDtfsCounter, 198 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 641 GetRequests, 631 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 186 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: 1574]: 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); [L1597] 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) [L1597] 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] [L1598] CALL CWE191_Integer_Underflow__int_fgets_multiply_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=-1073741825, 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=-1073741825, 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() [L1572] COND TRUE data < 0 VAL [data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] data * 2 VAL [data=-1073741825, 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 0.33ms. Allocated memory is still 159.4MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1274.39ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 110.2MB in the beginning and 143.0MB in the end (delta: -32.8MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.87ms. Allocated memory is still 192.9MB. Free memory was 143.0MB in the beginning and 139.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.83ms. Allocated memory is still 192.9MB. Free memory was 139.9MB in the beginning and 138.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 567.81ms. Allocated memory is still 192.9MB. Free memory was 138.8MB in the beginning and 122.1MB in the end (delta: 16.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1519.14ms. Allocated memory is still 192.9MB. Free memory was 122.1MB in the beginning and 121.2MB in the end (delta: 897.8kB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. * Witness Printer took 5.98ms. Allocated memory is still 192.9MB. Free memory is still 120.1MB. 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 22:34:40,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg/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_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/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_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/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_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/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 dddfccd8da9f12f34e194b4a9fc4c4f6991db16bc01a02bc13eca415e127610f --- 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 22:34:42,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:34:42,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:34:43,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:34:43,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:34:43,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:34:43,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:34:43,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:34:43,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:34:43,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:34:43,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:34:43,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:34:43,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:34:43,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:34:43,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:34:43,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:34:43,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:34:43,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:34:43,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:34:43,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:34:43,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:34:43,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:34:43,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:34:43,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:34:43,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:34:43,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:34:43,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:34:43,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:34:43,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:34:43,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:34:43,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:34:43,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:34:43,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:34:43,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:34:43,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:34:43,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:34:43,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:34:43,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:34:43,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:34:43,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:34:43,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:34:43,092 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-21 22:34:43,114 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:34:43,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:34:43,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:34:43,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:34:43,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:34:43,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:34:43,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:34:43,118 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:34:43,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:34:43,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:34:43,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:34:43,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:34:43,119 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:34:43,120 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:34:43,120 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:34:43,120 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:34:43,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:34:43,121 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:34:43,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:34:43,122 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:34:43,122 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:34:43,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:34:43,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:34:43,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:34:43,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:34:43,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:34:43,124 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:34:43,124 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:34:43,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:34:43,125 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:34:43,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:34:43,126 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_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dddfccd8da9f12f34e194b4a9fc4c4f6991db16bc01a02bc13eca415e127610f [2022-11-21 22:34:43,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:34:43,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:34:43,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:34:43,545 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:34:43,547 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:34:43,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_12_bad.i [2022-11-21 22:34:46,807 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:34:47,141 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:34:47,142 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_12_bad.i [2022-11-21 22:34:47,160 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg/data/1b767e617/71413094b53b4b1ab3197864141ea436/FLAG790bc345a [2022-11-21 22:34:47,176 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b2e2d33-4b6b-4b60-bb1b-18dd1f6fcfa8/bin/ukojak-jW3SillKbg/data/1b767e617/71413094b53b4b1ab3197864141ea436 [2022-11-21 22:34:47,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:34:47,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:34:47,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:34:47,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:34:47,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:34:47,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:34:47" (1/1) ... [2022-11-21 22:34:47,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9395f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:47, skipping insertion in model container [2022-11-21 22:34:47,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:34:47" (1/1) ... [2022-11-21 22:34:47,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:34:47,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:34:47,649 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:34:47,857 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 22:34:47,867 INFO L158 Benchmark]: Toolchain (without parser) took 684.39ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 30.3MB in the beginning and 46.2MB in the end (delta: -16.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 22:34:47,868 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 41.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:34:47,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.20ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 30.1MB in the beginning and 46.2MB in the end (delta: -16.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 22:34:47,871 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 41.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 682.20ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 30.1MB in the beginning and 46.2MB in the end (delta: -16.1MB). Peak memory consumption was 6.3MB. 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.