./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_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_ed40e3d8-4f95-48e7-8154-15d1bd47d077/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/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_ed40e3d8-4f95-48e7-8154-15d1bd47d077/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/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_ed40e3d8-4f95-48e7-8154-15d1bd47d077/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 e73bf75f10180290498e6c1b39666c57ea963b55df36220002e3474ff808070b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:58:06,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:58:06,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:58:06,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:58:06,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:58:06,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:58:06,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:58:06,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:58:06,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:58:06,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:58:06,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:58:06,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:58:06,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:58:06,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:58:06,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:58:06,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:58:06,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:58:06,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:58:06,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:58:06,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:58:06,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:58:06,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:58:06,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:58:06,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:58:06,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:58:06,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:58:06,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:58:06,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:58:06,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:58:06,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:58:06,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:58:06,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:58:06,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:58:06,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:58:06,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:58:06,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:58:06,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:58:06,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:58:06,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:58:06,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:58:06,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:58:06,587 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:58:06,619 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:58:06,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:58:06,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:58:06,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:58:06,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:58:06,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:58:06,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:58:06,624 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:58:06,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:58:06,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:58:06,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:58:06,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:58:06,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:58:06,626 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:58:06,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:58:06,626 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:58:06,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:58:06,626 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:58:06,627 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:58:06,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:58:06,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:58:06,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:58:06,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:58:06,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:58:06,628 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:58:06,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:58:06,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:58:06,628 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_ed40e3d8-4f95-48e7-8154-15d1bd47d077/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e73bf75f10180290498e6c1b39666c57ea963b55df36220002e3474ff808070b [2022-11-21 23:58:06,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:58:06,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:58:06,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:58:06,960 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:58:06,961 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:58:06,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_12_bad.i [2022-11-21 23:58:09,950 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:58:10,357 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:58:10,358 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_12_bad.i [2022-11-21 23:58:10,391 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/bin/ukojak-jW3SillKbg/data/bb30d208a/22113d3fed1b481e90d4d775cb7e64c0/FLAG0c4916364 [2022-11-21 23:58:10,412 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/bin/ukojak-jW3SillKbg/data/bb30d208a/22113d3fed1b481e90d4d775cb7e64c0 [2022-11-21 23:58:10,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:58:10,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:58:10,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:58:10,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:58:10,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:58:10,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:58:10" (1/1) ... [2022-11-21 23:58:10,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c365a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:10, skipping insertion in model container [2022-11-21 23:58:10,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:58:10" (1/1) ... [2022-11-21 23:58:10,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:58:10,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:58:10,928 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:58:11,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:58:11,497 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:58:11,531 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:58:11,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:58:11,792 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:58:11,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:11 WrapperNode [2022-11-21 23:58:11,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:58:11,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:58:11,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:58:11,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:58:11,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:11" (1/1) ... [2022-11-21 23:58:11,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:11" (1/1) ... [2022-11-21 23:58:11,865 INFO L138 Inliner]: procedures = 500, calls = 67, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2022-11-21 23:58:11,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:58:11,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:58:11,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:58:11,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:58:11,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:11" (1/1) ... [2022-11-21 23:58:11,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:11" (1/1) ... [2022-11-21 23:58:11,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:11" (1/1) ... [2022-11-21 23:58:11,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:11" (1/1) ... [2022-11-21 23:58:11,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:11" (1/1) ... [2022-11-21 23:58:11,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:11" (1/1) ... [2022-11-21 23:58:11,893 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:11" (1/1) ... [2022-11-21 23:58:11,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:11" (1/1) ... [2022-11-21 23:58:11,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:58:11,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:58:11,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:58:11,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:58:11,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:11" (1/1) ... [2022-11-21 23:58:11,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:58:11,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:58:11,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:58:11,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:58:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:58:11,981 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:58:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 23:58:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-21 23:58:11,982 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-21 23:58:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:58:11,982 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:58:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:58:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 23:58:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:58:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:58:11,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:58:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:58:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:58:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:58:12,145 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:58:12,147 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:58:12,346 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:58:12,420 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:58:12,421 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:58:12,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:58:12 BoogieIcfgContainer [2022-11-21 23:58:12,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:58:12,427 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:58:12,427 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:58:12,443 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:58:12,444 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:58:12" (1/1) ... [2022-11-21 23:58:12,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:58:12,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:58:12,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2022-11-21 23:58:12,538 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2022-11-21 23:58:12,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:58:12,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:58:12,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:58:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:58:12,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:58:12,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:58:12,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2022-11-21 23:58:12,960 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2022-11-21 23:58:12,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:58:12,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:58:12,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:58:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:58:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:58:13,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:58:13,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2022-11-21 23:58:13,269 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2022-11-21 23:58:13,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:58:13,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:58:13,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:58:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:58:13,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:58:13,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:58:13,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 45 states and 59 transitions. [2022-11-21 23:58:13,471 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2022-11-21 23:58:13,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:58:13,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:58:13,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:58:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:58:13,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:58:13,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:58:13,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 50 states and 67 transitions. [2022-11-21 23:58:13,720 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-11-21 23:58:13,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:58:13,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:58:13,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:58:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:58:13,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:58:13,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:58:13,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 53 states and 70 transitions. [2022-11-21 23:58:13,882 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-11-21 23:58:13,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:58:13,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:58:13,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:58:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:58:13,922 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:58:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:58:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:58:14,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:58:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:58:14,079 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2022-11-21 23:58:14,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:58:14 ImpRootNode [2022-11-21 23:58:14,155 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:58:14,156 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:58:14,156 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:58:14,156 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:58:14,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:58:12" (3/4) ... [2022-11-21 23:58:14,160 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 23:58:14,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:58:14,161 INFO L158 Benchmark]: Toolchain (without parser) took 3740.69ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 107.4MB in the beginning and 140.9MB in the end (delta: -33.5MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2022-11-21 23:58:14,162 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 155.2MB. Free memory was 126.3MB in the beginning and 126.2MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:58:14,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1369.81ms. Allocated memory is still 155.2MB. Free memory was 107.4MB in the beginning and 111.4MB in the end (delta: -4.0MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2022-11-21 23:58:14,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.32ms. Allocated memory is still 155.2MB. Free memory was 111.4MB in the beginning and 108.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:58:14,165 INFO L158 Benchmark]: Boogie Preprocessor took 35.28ms. Allocated memory is still 155.2MB. Free memory was 108.7MB in the beginning and 107.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:58:14,170 INFO L158 Benchmark]: RCFGBuilder took 523.93ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 90.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:58:14,172 INFO L158 Benchmark]: CodeCheck took 1728.06ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 90.5MB in the beginning and 140.9MB in the end (delta: -50.4MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-11-21 23:58:14,173 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 213.9MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:58:14,181 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 34 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 275 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 271 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 117 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 150 IncrementalHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 154 mSDtfsCounter, 150 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 623 GetRequests, 613 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 10/10 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1595] 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) [L1595] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={19:13}, argv={19:13}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1596] CALL CWE191_Integer_Underflow__int_fgets_predec_12_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1570] RET globalReturnsTrueOrFalse() VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1570] COND TRUE globalReturnsTrueOrFalse() [L1573] --data VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 155.2MB. Free memory was 126.3MB in the beginning and 126.2MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1369.81ms. Allocated memory is still 155.2MB. Free memory was 107.4MB in the beginning and 111.4MB in the end (delta: -4.0MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.32ms. Allocated memory is still 155.2MB. Free memory was 111.4MB in the beginning and 108.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.28ms. Allocated memory is still 155.2MB. Free memory was 108.7MB in the beginning and 107.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.93ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 90.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1728.06ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 90.5MB in the beginning and 140.9MB in the end (delta: -50.4MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 213.9MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 23:58:14,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/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_ed40e3d8-4f95-48e7-8154-15d1bd47d077/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/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_ed40e3d8-4f95-48e7-8154-15d1bd47d077/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/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_ed40e3d8-4f95-48e7-8154-15d1bd47d077/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 e73bf75f10180290498e6c1b39666c57ea963b55df36220002e3474ff808070b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:58:16,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:58:16,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:58:16,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:58:16,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:58:16,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:58:16,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:58:16,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:58:16,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:58:16,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:58:16,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:58:16,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:58:16,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:58:16,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:58:16,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:58:16,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:58:16,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:58:16,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:58:16,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:58:16,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:58:16,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:58:16,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:58:16,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:58:16,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:58:16,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:58:16,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:58:16,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:58:16,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:58:16,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:58:16,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:58:16,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:58:16,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:58:16,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:58:16,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:58:16,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:58:16,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:58:16,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:58:16,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:58:16,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:58:16,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:58:16,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:58:16,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-21 23:58:16,879 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:58:16,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:58:16,882 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:58:16,882 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:58:16,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:58:16,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:58:16,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:58:16,884 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:58:16,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:58:16,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:58:16,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:58:16,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:58:16,887 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:58:16,887 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:58:16,887 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:58:16,887 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:58:16,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:58:16,888 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:58:16,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:58:16,889 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:58:16,889 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:58:16,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:58:16,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:58:16,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:58:16,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:58:16,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:58:16,891 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:58:16,891 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:58:16,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:58:16,892 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:58:16,892 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:58:16,892 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_ed40e3d8-4f95-48e7-8154-15d1bd47d077/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e73bf75f10180290498e6c1b39666c57ea963b55df36220002e3474ff808070b [2022-11-21 23:58:17,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:58:17,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:58:17,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:58:17,327 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:58:17,328 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:58:17,330 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_12_bad.i [2022-11-21 23:58:20,603 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:58:21,005 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:58:21,015 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_12_bad.i [2022-11-21 23:58:21,049 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/bin/ukojak-jW3SillKbg/data/ff900d51a/472de0ea5e514c85a8cf39d6da1c11e9/FLAG7189beaab [2022-11-21 23:58:21,075 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed40e3d8-4f95-48e7-8154-15d1bd47d077/bin/ukojak-jW3SillKbg/data/ff900d51a/472de0ea5e514c85a8cf39d6da1c11e9 [2022-11-21 23:58:21,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:58:21,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:58:21,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:58:21,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:58:21,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:58:21,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:58:21" (1/1) ... [2022-11-21 23:58:21,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca1962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:58:21, skipping insertion in model container [2022-11-21 23:58:21,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:58:21" (1/1) ... [2022-11-21 23:58:21,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:58:21,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:58:21,658 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:58:21,902 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 23:58:21,912 INFO L158 Benchmark]: Toolchain (without parser) took 829.04ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 32.4MB in the beginning and 50.6MB in the end (delta: -18.2MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2022-11-21 23:58:21,913 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:58:21,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 824.54ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 32.1MB in the beginning and 50.6MB in the end (delta: -18.5MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2022-11-21 23:58:21,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 824.54ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 32.1MB in the beginning and 50.6MB in the end (delta: -18.5MB). Peak memory consumption was 6.2MB. 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.