./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_66703117-c4d0-4d06-8068-06e5247296e3/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/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_66703117-c4d0-4d06-8068-06e5247296e3/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/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_66703117-c4d0-4d06-8068-06e5247296e3/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 031d986ca26b194bf475ce418777d825d50a75f1c640fd3ecd1f01616e3db7d5 --- 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 18:18:44,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:18:44,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:18:44,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:18:44,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:18:44,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:18:44,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:18:44,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:18:44,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:18:44,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:18:44,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:18:44,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:18:44,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:18:44,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:18:44,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:18:44,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:18:44,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:18:44,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:18:44,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:18:44,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:18:44,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:18:44,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:18:44,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:18:44,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:18:44,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:18:44,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:18:44,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:18:44,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:18:44,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:18:44,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:18:44,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:18:44,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:18:44,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:18:44,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:18:44,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:18:44,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:18:44,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:18:44,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:18:44,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:18:44,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:18:44,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:18:44,529 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:18:44,569 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:18:44,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:18:44,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:18:44,571 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:18:44,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:18:44,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:18:44,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:18:44,572 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:18:44,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:18:44,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:18:44,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:18:44,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:18:44,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:18:44,574 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:18:44,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:18:44,575 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:18:44,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:18:44,575 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:18:44,576 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:18:44,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:18:44,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:18:44,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:18:44,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:18:44,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:18:44,577 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:18:44,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:18:44,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:18:44,578 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_66703117-c4d0-4d06-8068-06e5247296e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 031d986ca26b194bf475ce418777d825d50a75f1c640fd3ecd1f01616e3db7d5 [2022-11-20 18:18:44,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:18:44,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:18:44,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:18:44,931 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:18:44,931 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:18:44,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_bad.i [2022-11-20 18:18:47,976 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:18:48,411 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:18:48,412 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_bad.i [2022-11-20 18:18:48,440 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/bin/ukojak-pZX7IvK2PQ/data/8bc808187/fc7acb8fa4bc4144beae95ee26ccb43d/FLAG836d07abf [2022-11-20 18:18:48,461 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/bin/ukojak-pZX7IvK2PQ/data/8bc808187/fc7acb8fa4bc4144beae95ee26ccb43d [2022-11-20 18:18:48,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:18:48,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:18:48,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:18:48,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:18:48,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:18:48,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:18:48" (1/1) ... [2022-11-20 18:18:48,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bfa05b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:48, skipping insertion in model container [2022-11-20 18:18:48,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:18:48" (1/1) ... [2022-11-20 18:18:48,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:18:48,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:18:48,927 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:18:49,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:18:49,530 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:18:49,551 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:18:49,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:18:49,757 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:18:49,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:49 WrapperNode [2022-11-20 18:18:49,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:18:49,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:18:49,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:18:49,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:18:49,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:49" (1/1) ... [2022-11-20 18:18:49,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:49" (1/1) ... [2022-11-20 18:18:49,839 INFO L138 Inliner]: procedures = 501, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2022-11-20 18:18:49,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:18:49,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:18:49,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:18:49,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:18:49,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:49" (1/1) ... [2022-11-20 18:18:49,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:49" (1/1) ... [2022-11-20 18:18:49,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:49" (1/1) ... [2022-11-20 18:18:49,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:49" (1/1) ... [2022-11-20 18:18:49,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:49" (1/1) ... [2022-11-20 18:18:49,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:49" (1/1) ... [2022-11-20 18:18:49,916 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:49" (1/1) ... [2022-11-20 18:18:49,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:49" (1/1) ... [2022-11-20 18:18:49,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:18:49,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:18:49,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:18:49,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:18:49,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:49" (1/1) ... [2022-11-20 18:18:49,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:18:49,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:18:49,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:18:49,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:18:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 18:18:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:18:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:18:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:18:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 18:18:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:18:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:18:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:18:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:18:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:18:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:18:50,236 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:18:50,238 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:18:50,437 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:18:50,490 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:18:50,497 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:18:50,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:18:50 BoogieIcfgContainer [2022-11-20 18:18:50,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:18:50,502 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:18:50,503 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:18:50,513 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:18:50,513 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:18:50" (1/1) ... [2022-11-20 18:18:50,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:18:50,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:50,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2022-11-20 18:18:50,594 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-11-20 18:18:50,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:18:50,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:50,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:50,903 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 18:18:50,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:50,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-11-20 18:18:50,940 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-11-20 18:18:50,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:18:50,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:50,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:18:50,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:18:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:18:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:18:51,095 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:18:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:18:51,130 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 18:18:51,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:18:51 ImpRootNode [2022-11-20 18:18:51,161 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:18:51,161 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:18:51,162 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:18:51,162 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:18:51,162 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:18:50" (3/4) ... [2022-11-20 18:18:51,169 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 18:18:51,174 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:18:51,175 INFO L158 Benchmark]: Toolchain (without parser) took 2707.03ms. Allocated memory is still 169.9MB. Free memory was 134.9MB in the beginning and 96.8MB in the end (delta: 38.1MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2022-11-20 18:18:51,176 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 119.5MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:18:51,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1288.38ms. Allocated memory is still 169.9MB. Free memory was 134.9MB in the beginning and 73.3MB in the end (delta: 61.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-20 18:18:51,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.86ms. Allocated memory is still 169.9MB. Free memory was 73.3MB in the beginning and 70.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:18:51,178 INFO L158 Benchmark]: Boogie Preprocessor took 99.38ms. Allocated memory is still 169.9MB. Free memory was 70.6MB in the beginning and 139.6MB in the end (delta: -69.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 18:18:51,178 INFO L158 Benchmark]: RCFGBuilder took 559.02ms. Allocated memory is still 169.9MB. Free memory was 139.6MB in the beginning and 125.0MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:18:51,179 INFO L158 Benchmark]: CodeCheck took 658.56ms. Allocated memory is still 169.9MB. Free memory was 125.0MB in the beginning and 96.8MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 18:18:51,179 INFO L158 Benchmark]: Witness Printer took 13.20ms. Allocated memory is still 169.9MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:18:51,182 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 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, 14 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 65 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1568. 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); [L1548] static int badStatic = 0; [L1581] CALL printLine("Calling bad()...") VAL [badStatic=0, 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) [L1581] RET printLine("Calling bad()...") VAL [\old(argc)=13, argc=13, argv={18:12}, argv={18:12}, badStatic=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE191_Integer_Underflow__int_fgets_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1566] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1568] data = atoi(inputBuffer) [L1565] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1575] badStatic = 1 [L1576] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [\old(data)=-1073741825, badStatic=1, data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [\old(data)=-1073741825, badStatic=1, data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [\old(data)=-1073741825, badStatic=1, data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 119.5MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1288.38ms. Allocated memory is still 169.9MB. Free memory was 134.9MB in the beginning and 73.3MB in the end (delta: 61.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.86ms. Allocated memory is still 169.9MB. Free memory was 73.3MB in the beginning and 70.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.38ms. Allocated memory is still 169.9MB. Free memory was 70.6MB in the beginning and 139.6MB in the end (delta: -69.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 559.02ms. Allocated memory is still 169.9MB. Free memory was 139.6MB in the beginning and 125.0MB in the end (delta: 14.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 658.56ms. Allocated memory is still 169.9MB. Free memory was 125.0MB in the beginning and 96.8MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 13.20ms. Allocated memory is still 169.9MB. Free memory is still 96.8MB. 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 18:18:51,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/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_66703117-c4d0-4d06-8068-06e5247296e3/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/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_66703117-c4d0-4d06-8068-06e5247296e3/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 031d986ca26b194bf475ce418777d825d50a75f1c640fd3ecd1f01616e3db7d5 --- 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 18:18:53,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:18:53,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:18:53,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:18:53,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:18:53,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:18:53,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:18:53,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:18:53,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:18:53,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:18:53,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:18:53,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:18:53,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:18:53,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:18:53,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:18:53,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:18:53,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:18:53,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:18:53,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:18:53,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:18:53,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:18:53,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:18:53,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:18:53,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:18:53,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:18:53,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:18:53,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:18:53,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:18:53,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:18:53,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:18:53,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:18:53,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:18:53,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:18:53,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:18:53,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:18:53,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:18:53,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:18:53,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:18:53,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:18:53,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:18:53,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:18:53,883 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-20 18:18:53,949 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:18:53,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:18:53,952 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:18:53,952 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:18:53,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:18:53,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:18:53,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:18:53,953 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:18:53,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:18:53,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:18:53,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:18:53,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:18:53,955 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:18:53,955 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 18:18:53,956 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:18:53,956 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 18:18:53,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:18:53,956 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:18:53,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:18:53,957 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:18:53,957 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:18:53,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:18:53,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:18:53,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:18:53,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:18:53,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:18:53,958 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 18:18:53,958 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 18:18:53,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:18:53,959 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 18:18:53,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 18:18:53,959 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_66703117-c4d0-4d06-8068-06e5247296e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 031d986ca26b194bf475ce418777d825d50a75f1c640fd3ecd1f01616e3db7d5 [2022-11-20 18:18:54,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:18:54,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:18:54,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:18:54,380 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:18:54,382 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:18:54,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_bad.i [2022-11-20 18:18:57,348 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:18:57,797 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:18:57,797 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_bad.i [2022-11-20 18:18:57,831 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/bin/ukojak-pZX7IvK2PQ/data/27aa67d2e/f76c3cb33bff494998791b6a1b19569f/FLAG84eb5a02b [2022-11-20 18:18:57,853 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66703117-c4d0-4d06-8068-06e5247296e3/bin/ukojak-pZX7IvK2PQ/data/27aa67d2e/f76c3cb33bff494998791b6a1b19569f [2022-11-20 18:18:57,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:18:57,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:18:57,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:18:57,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:18:57,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:18:57,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:18:57" (1/1) ... [2022-11-20 18:18:57,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@620c8d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:18:57, skipping insertion in model container [2022-11-20 18:18:57,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:18:57" (1/1) ... [2022-11-20 18:18:57,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:18:57,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:18:58,355 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:18:58,641 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 18:18:58,649 INFO L158 Benchmark]: Toolchain (without parser) took 790.41ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 42.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 18:18:58,650 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:18:58,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 786.58ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 42.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 18:18:58,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 786.58ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 42.4MB in the end (delta: 15.1MB). 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.