./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_64_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7565a7437b9d20454e209c76ad0b654b2f87c4541485d2a2bf11964b00adcda2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:11:09,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:11:09,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:11:09,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:11:09,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:11:09,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:11:09,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:11:09,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:11:09,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:11:09,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:11:09,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:11:09,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:11:09,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:11:09,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:11:09,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:11:09,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:11:09,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:11:09,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:11:09,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:11:09,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:11:09,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:11:09,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:11:09,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:11:09,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:11:09,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:11:09,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:11:09,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:11:09,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:11:09,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:11:09,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:11:09,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:11:09,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:11:09,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:11:09,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:11:09,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:11:09,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:11:09,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:11:09,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:11:09,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:11:09,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:11:09,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:11:09,479 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:11:09,519 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:11:09,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:11:09,520 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:11:09,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:11:09,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:11:09,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:11:09,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:11:09,522 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:11:09,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:11:09,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:11:09,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:11:09,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:11:09,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:11:09,523 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:11:09,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:11:09,524 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:11:09,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:11:09,524 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:11:09,524 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:11:09,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:11:09,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:11:09,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:11:09,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:11:09,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:11:09,525 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:11:09,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:11:09,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:11:09,526 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_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7565a7437b9d20454e209c76ad0b654b2f87c4541485d2a2bf11964b00adcda2 [2022-11-20 18:11:09,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:11:09,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:11:09,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:11:09,831 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:11:09,832 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:11:09,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_64_bad.i [2022-11-20 18:11:12,883 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:11:13,232 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:11:13,233 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_64_bad.i [2022-11-20 18:11:13,254 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/data/1c0baedf5/b35e6e37519f44a9b2758114d93af11a/FLAG8009c3d1b [2022-11-20 18:11:13,272 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/data/1c0baedf5/b35e6e37519f44a9b2758114d93af11a [2022-11-20 18:11:13,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:11:13,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:11:13,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:11:13,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:11:13,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:11:13,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:11:13" (1/1) ... [2022-11-20 18:11:13,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b08d51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:13, skipping insertion in model container [2022-11-20 18:11:13,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:11:13" (1/1) ... [2022-11-20 18:11:13,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:11:13,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:11:13,745 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:11:14,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:11:14,358 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:11:14,392 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:11:14,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:11:14,616 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:11:14,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:14 WrapperNode [2022-11-20 18:11:14,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:11:14,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:11:14,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:11:14,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:11:14,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:14" (1/1) ... [2022-11-20 18:11:14,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:14" (1/1) ... [2022-11-20 18:11:14,694 INFO L138 Inliner]: procedures = 501, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2022-11-20 18:11:14,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:11:14,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:11:14,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:11:14,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:11:14,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:14" (1/1) ... [2022-11-20 18:11:14,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:14" (1/1) ... [2022-11-20 18:11:14,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:14" (1/1) ... [2022-11-20 18:11:14,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:14" (1/1) ... [2022-11-20 18:11:14,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:14" (1/1) ... [2022-11-20 18:11:14,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:14" (1/1) ... [2022-11-20 18:11:14,729 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:14" (1/1) ... [2022-11-20 18:11:14,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:14" (1/1) ... [2022-11-20 18:11:14,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:11:14,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:11:14,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:11:14,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:11:14,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:14" (1/1) ... [2022-11-20 18:11:14,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:11:14,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:11:14,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:11:14,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:11:14,811 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 18:11:14,812 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:11:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:11:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:11:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 18:11:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:11:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:11:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:11:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:11:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:11:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:11:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:11:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:11:14,963 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:11:14,965 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:11:15,164 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:11:15,235 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:11:15,235 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:11:15,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:11:15 BoogieIcfgContainer [2022-11-20 18:11:15,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:11:15,243 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:11:15,244 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:11:15,252 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:11:15,253 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:11:15" (1/1) ... [2022-11-20 18:11:15,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:11:15,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:15,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-11-20 18:11:15,315 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-20 18:11:15,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:11:15,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:15,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:15,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:11:15,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:15,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-11-20 18:11:15,736 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-11-20 18:11:15,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:11:15,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:15,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:11:15,864 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:11:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:11:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:11:16,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:11:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:11:16,090 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 18:11:16,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:11:16 ImpRootNode [2022-11-20 18:11:16,133 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:11:16,134 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:11:16,134 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:11:16,135 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:11:16,135 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:11:15" (3/4) ... [2022-11-20 18:11:16,139 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 18:11:16,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:11:16,140 INFO L158 Benchmark]: Toolchain (without parser) took 2863.88ms. Allocated memory is still 169.9MB. Free memory was 120.8MB in the beginning and 120.5MB in the end (delta: 306.7kB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2022-11-20 18:11:16,140 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory was 77.1MB in the beginning and 77.0MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:11:16,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1340.10ms. Allocated memory is still 169.9MB. Free memory was 120.8MB in the beginning and 102.7MB in the end (delta: 18.1MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2022-11-20 18:11:16,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.18ms. Allocated memory is still 169.9MB. Free memory was 102.7MB in the beginning and 99.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:11:16,142 INFO L158 Benchmark]: Boogie Preprocessor took 41.07ms. Allocated memory is still 169.9MB. Free memory was 99.4MB in the beginning and 98.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:11:16,142 INFO L158 Benchmark]: RCFGBuilder took 500.88ms. Allocated memory is still 169.9MB. Free memory was 98.2MB in the beginning and 82.6MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 18:11:16,143 INFO L158 Benchmark]: CodeCheck took 890.49ms. Allocated memory is still 169.9MB. Free memory was 82.6MB in the beginning and 120.5MB in the end (delta: -37.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:11:16,143 INFO L158 Benchmark]: Witness Printer took 4.95ms. Allocated memory is still 169.9MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:11:16,155 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, 0.2s 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: 1580]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557. 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); [L1569] 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) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=19, argc=19, argv={18:13}, argv={18:13}, 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 CWE191_Integer_Underflow__int_fgets_multiply_64_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564] CALL CWE191_Integer_Underflow__int_fgets_multiply_64b_badSink(&data) [L1576] int * dataPtr = (int *)dataVoidPtr; [L1577] EXPR \read(*dataPtr) [L1577] int data = (*dataPtr); [L1578] COND TRUE data < 0 VAL [data=-1073741825, dataPtr={6:0}, dataVoidPtr={6:0}, dataVoidPtr={6:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] data * 2 VAL [data=-1073741825, dataPtr={6:0}, dataVoidPtr={6:0}, dataVoidPtr={6:0}, 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 0.30ms. Allocated memory is still 134.2MB. Free memory was 77.1MB in the beginning and 77.0MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1340.10ms. Allocated memory is still 169.9MB. Free memory was 120.8MB in the beginning and 102.7MB in the end (delta: 18.1MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.18ms. Allocated memory is still 169.9MB. Free memory was 102.7MB in the beginning and 99.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.07ms. Allocated memory is still 169.9MB. Free memory was 99.4MB in the beginning and 98.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 500.88ms. Allocated memory is still 169.9MB. Free memory was 98.2MB in the beginning and 82.6MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 890.49ms. Allocated memory is still 169.9MB. Free memory was 82.6MB in the beginning and 120.5MB in the end (delta: -37.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.95ms. Allocated memory is still 169.9MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 18:11:16,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7565a7437b9d20454e209c76ad0b654b2f87c4541485d2a2bf11964b00adcda2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:11:18,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:11:18,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:11:18,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:11:18,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:11:18,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:11:18,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:11:18,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:11:18,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:11:18,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:11:18,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:11:18,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:11:18,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:11:18,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:11:18,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:11:18,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:11:18,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:11:18,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:11:18,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:11:18,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:11:18,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:11:18,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:11:18,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:11:18,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:11:18,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:11:18,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:11:18,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:11:18,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:11:18,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:11:18,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:11:18,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:11:18,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:11:18,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:11:18,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:11:18,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:11:18,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:11:18,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:11:18,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:11:18,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:11:18,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:11:18,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:11:18,896 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 18:11:18,934 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:11:18,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:11:18,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:11:18,937 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:11:18,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:11:18,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:11:18,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:11:18,939 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:11:18,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:11:18,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:11:18,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:11:18,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:11:18,942 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:11:18,942 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 18:11:18,942 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:11:18,943 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 18:11:18,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:11:18,943 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:11:18,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:11:18,944 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:11:18,944 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:11:18,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:11:18,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:11:18,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:11:18,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:11:18,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:11:18,945 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 18:11:18,946 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 18:11:18,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:11:18,946 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 18:11:18,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 18:11:18,947 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_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7565a7437b9d20454e209c76ad0b654b2f87c4541485d2a2bf11964b00adcda2 [2022-11-20 18:11:19,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:11:19,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:11:19,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:11:19,414 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:11:19,414 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:11:19,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_64_bad.i [2022-11-20 18:11:22,491 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:11:22,951 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:11:22,954 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_64_bad.i [2022-11-20 18:11:22,979 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/data/00e47611a/26b9d73e7f7e4a0fb93f7e39e824d0e5/FLAG0eca6a013 [2022-11-20 18:11:23,001 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5d52dc8-2cd3-4d16-b541-fc5c053f7f64/bin/ukojak-pZX7IvK2PQ/data/00e47611a/26b9d73e7f7e4a0fb93f7e39e824d0e5 [2022-11-20 18:11:23,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:11:23,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:11:23,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:11:23,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:11:23,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:11:23,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:11:23" (1/1) ... [2022-11-20 18:11:23,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60410311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:23, skipping insertion in model container [2022-11-20 18:11:23,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:11:23" (1/1) ... [2022-11-20 18:11:23,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:11:23,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:11:23,546 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:11:23,859 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 18:11:23,867 INFO L158 Benchmark]: Toolchain (without parser) took 858.77ms. Allocated memory is still 75.5MB. Free memory was 53.8MB in the beginning and 38.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 18:11:23,868 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 58.7MB. Free memory was 36.3MB in the beginning and 36.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:11:23,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 854.75ms. Allocated memory is still 75.5MB. Free memory was 53.5MB in the beginning and 38.6MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 18:11:23,871 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 58.7MB. Free memory was 36.3MB in the beginning and 36.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 854.75ms. Allocated memory is still 75.5MB. Free memory was 53.5MB in the beginning and 38.6MB in the end (delta: 15.0MB). 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.