./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_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_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/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_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/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_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/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 062da61e5fdd3ead1d11c26be7e8f8fa9035a37b165d89a86763ed8c1da36c57 --- 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 21:47:08,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:47:08,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:47:08,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:47:08,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:47:08,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:47:08,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:47:08,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:47:08,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:47:08,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:47:08,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:47:08,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:47:08,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:47:08,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:47:08,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:47:08,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:47:08,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:47:08,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:47:08,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:47:08,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:47:08,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:47:08,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:47:08,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:47:08,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:47:08,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:47:08,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:47:08,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:47:08,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:47:08,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:47:08,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:47:08,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:47:08,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:47:08,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:47:08,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:47:08,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:47:08,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:47:08,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:47:08,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:47:08,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:47:08,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:47:08,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:47:08,742 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 21:47:08,776 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:47:08,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:47:08,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:47:08,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:47:08,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:47:08,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:47:08,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:47:08,783 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:47:08,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:47:08,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:47:08,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:47:08,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:47:08,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:47:08,785 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:47:08,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:47:08,785 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:47:08,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:47:08,786 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:47:08,786 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:47:08,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:47:08,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:47:08,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:47:08,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:47:08,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:47:08,787 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:47:08,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:47:08,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:47:08,788 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_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 062da61e5fdd3ead1d11c26be7e8f8fa9035a37b165d89a86763ed8c1da36c57 [2022-11-21 21:47:09,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:47:09,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:47:09,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:47:09,055 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:47:09,059 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:47:09,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i [2022-11-21 21:47:12,018 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:47:12,391 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:47:12,391 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i [2022-11-21 21:47:12,418 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/bin/ukojak-jW3SillKbg/data/89b0d05c0/d69570cf5f0a467389bd4c7f6936ade9/FLAGbba5f414f [2022-11-21 21:47:12,431 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/bin/ukojak-jW3SillKbg/data/89b0d05c0/d69570cf5f0a467389bd4c7f6936ade9 [2022-11-21 21:47:12,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:47:12,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:47:12,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:47:12,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:47:12,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:47:12,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:47:12" (1/1) ... [2022-11-21 21:47:12,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f44b915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:12, skipping insertion in model container [2022-11-21 21:47:12,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:47:12" (1/1) ... [2022-11-21 21:47:12,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:47:12,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:47:12,899 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:47:13,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:47:13,432 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:47:13,452 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:47:13,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:47:13,709 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:47:13,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:13 WrapperNode [2022-11-21 21:47:13,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:47:13,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:47:13,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:47:13,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:47:13,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:13" (1/1) ... [2022-11-21 21:47:13,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:13" (1/1) ... [2022-11-21 21:47:13,804 INFO L138 Inliner]: procedures = 501, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2022-11-21 21:47:13,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:47:13,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:47:13,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:47:13,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:47:13,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:13" (1/1) ... [2022-11-21 21:47:13,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:13" (1/1) ... [2022-11-21 21:47:13,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:13" (1/1) ... [2022-11-21 21:47:13,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:13" (1/1) ... [2022-11-21 21:47:13,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:13" (1/1) ... [2022-11-21 21:47:13,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:13" (1/1) ... [2022-11-21 21:47:13,829 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:13" (1/1) ... [2022-11-21 21:47:13,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:13" (1/1) ... [2022-11-21 21:47:13,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:47:13,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:47:13,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:47:13,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:47:13,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:13" (1/1) ... [2022-11-21 21:47:13,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:47:13,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:47:13,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:47:13,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:47:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 21:47:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 21:47:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 21:47:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 21:47:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 21:47:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 21:47:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:47:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:47:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:47:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 21:47:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 21:47:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 21:47:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 21:47:14,135 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:47:14,137 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:47:14,377 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:47:14,407 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:47:14,407 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 21:47:14,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:47:14 BoogieIcfgContainer [2022-11-21 21:47:14,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 21:47:14,415 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 21:47:14,415 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 21:47:14,439 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 21:47:14,439 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:47:14" (1/1) ... [2022-11-21 21:47:14,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 21:47:14,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:14,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-11-21 21:47:14,525 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-21 21:47:14,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 21:47:14,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:14,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:47:14,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:47:14,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:47:14,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-11-21 21:47:14,932 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-11-21 21:47:14,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 21:47:14,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:47:14,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:47:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:47:15,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 21:47:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:47:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:47:15,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 21:47:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 21:47:15,219 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-21 21:47:15,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 09:47:15 ImpRootNode [2022-11-21 21:47:15,252 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 21:47:15,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 21:47:15,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 21:47:15,253 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 21:47:15,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:47:14" (3/4) ... [2022-11-21 21:47:15,257 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 21:47:15,257 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 21:47:15,258 INFO L158 Benchmark]: Toolchain (without parser) took 2822.67ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 99.3MB in the beginning and 127.6MB in the end (delta: -28.3MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2022-11-21 21:47:15,258 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 104.9MB. Free memory is still 54.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:47:15,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1275.44ms. Allocated memory is still 144.7MB. Free memory was 99.3MB in the beginning and 80.6MB in the end (delta: 18.7MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2022-11-21 21:47:15,259 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.55ms. Allocated memory is still 144.7MB. Free memory was 80.6MB in the beginning and 77.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 21:47:15,260 INFO L158 Benchmark]: Boogie Preprocessor took 27.51ms. Allocated memory is still 144.7MB. Free memory was 77.8MB in the beginning and 76.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:47:15,261 INFO L158 Benchmark]: RCFGBuilder took 576.40ms. Allocated memory is still 144.7MB. Free memory was 75.7MB in the beginning and 60.3MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 21:47:15,261 INFO L158 Benchmark]: CodeCheck took 837.13ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 60.3MB in the beginning and 128.7MB in the end (delta: -68.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:47:15,262 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 195.0MB. Free memory was 128.7MB in the beginning and 127.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:47:15,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1584]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562. 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); [L1575] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1575] 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] [L1576] CALL CWE191_Integer_Underflow__int_fgets_multiply_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fgets_multiply_67_structType myStruct; [L1557] data = 0 [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1559] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1569] myStruct.structFirst = data [L1570] CALL CWE191_Integer_Underflow__int_fgets_multiply_67b_badSink(myStruct) [L1581] EXPR myStruct.structFirst [L1581] int data = myStruct.structFirst; [L1582] 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, myStruct={15925:0}, unknown-#in~myStruct!structFirst-unknown=-1073741825] [L1584] 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, myStruct={15925:0}, unknown-#in~myStruct!structFirst-unknown=-1073741825] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 104.9MB. Free memory is still 54.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1275.44ms. Allocated memory is still 144.7MB. Free memory was 99.3MB in the beginning and 80.6MB in the end (delta: 18.7MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.55ms. Allocated memory is still 144.7MB. Free memory was 80.6MB in the beginning and 77.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.51ms. Allocated memory is still 144.7MB. Free memory was 77.8MB in the beginning and 76.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 576.40ms. Allocated memory is still 144.7MB. Free memory was 75.7MB in the beginning and 60.3MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 837.13ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 60.3MB in the beginning and 128.7MB in the end (delta: -68.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 195.0MB. Free memory was 128.7MB in the beginning and 127.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 21:47:15,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/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_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/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_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/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 062da61e5fdd3ead1d11c26be7e8f8fa9035a37b165d89a86763ed8c1da36c57 --- 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 21:47:17,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:47:17,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:47:17,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:47:17,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:47:17,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:47:17,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:47:17,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:47:17,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:47:17,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:47:17,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:47:17,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:47:17,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:47:17,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:47:17,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:47:17,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:47:17,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:47:17,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:47:17,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:47:17,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:47:17,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:47:17,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:47:17,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:47:17,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:47:17,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:47:17,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:47:17,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:47:17,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:47:17,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:47:17,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:47:17,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:47:17,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:47:17,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:47:17,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:47:17,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:47:17,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:47:17,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:47:17,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:47:17,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:47:17,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:47:17,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:47:17,908 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-21 21:47:17,946 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:47:17,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:47:17,948 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:47:17,948 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:47:17,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:47:17,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:47:17,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:47:17,950 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:47:17,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:47:17,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:47:17,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:47:17,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:47:17,952 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 21:47:17,952 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 21:47:17,952 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:47:17,953 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 21:47:17,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:47:17,953 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:47:17,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:47:17,954 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:47:17,954 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:47:17,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:47:17,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:47:17,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:47:17,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:47:17,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:47:17,956 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 21:47:17,956 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 21:47:17,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:47:17,956 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 21:47:17,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 21:47:17,957 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_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 062da61e5fdd3ead1d11c26be7e8f8fa9035a37b165d89a86763ed8c1da36c57 [2022-11-21 21:47:18,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:47:18,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:47:18,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:47:18,347 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:47:18,348 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:47:18,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i [2022-11-21 21:47:21,339 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:47:21,753 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:47:21,754 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_67_bad.i [2022-11-21 21:47:21,799 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/bin/ukojak-jW3SillKbg/data/8d150ffa6/2a598f86b555492aae22ff82149b7bc6/FLAG9eb688779 [2022-11-21 21:47:21,813 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce773718-b8e3-45c2-8f1f-9ffedce1c9f5/bin/ukojak-jW3SillKbg/data/8d150ffa6/2a598f86b555492aae22ff82149b7bc6 [2022-11-21 21:47:21,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:47:21,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:47:21,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:47:21,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:47:21,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:47:21,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:47:21" (1/1) ... [2022-11-21 21:47:21,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d09b3f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:47:21, skipping insertion in model container [2022-11-21 21:47:21,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:47:21" (1/1) ... [2022-11-21 21:47:21,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:47:21,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:47:22,258 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:47:22,480 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 21:47:22,490 INFO L158 Benchmark]: Toolchain (without parser) took 672.99ms. Allocated memory is still 81.8MB. Free memory was 55.9MB in the beginning and 40.4MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 21:47:22,491 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:47:22,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 670.56ms. Allocated memory is still 81.8MB. Free memory was 55.6MB in the beginning and 40.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 21:47:22,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 670.56ms. Allocated memory is still 81.8MB. Free memory was 55.6MB in the beginning and 40.4MB in the end (delta: 15.2MB). 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.