./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 b9b1d70412686ac905855181812a48195e2e0985343fa22ed5daba712eb76469 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:34:25,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:34:25,616 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:34:25,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:34:25,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:34:25,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:34:25,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:34:25,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:34:25,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:34:25,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:34:25,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:34:25,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:34:25,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:34:25,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:34:25,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:34:25,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:34:25,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:34:25,651 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:34:25,651 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:34:25,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:34:25,652 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:34:25,653 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:34:25,654 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:34:25,654 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:34:25,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:34:25,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:34:25,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:34:25,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:34:25,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:34:25,657 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:34:25,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:34:25,657 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:34:25,658 INFO L153 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_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9b1d70412686ac905855181812a48195e2e0985343fa22ed5daba712eb76469 [2023-12-02 21:34:25,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:34:25,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:34:25,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:34:25,896 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:34:25,896 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:34:25,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i [2023-12-02 21:34:28,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:34:28,891 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:34:28,892 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i [2023-12-02 21:34:28,913 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/data/ef6e4127b/53396ea09f254742b49888788409ad47/FLAG1857e8114 [2023-12-02 21:34:28,926 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/data/ef6e4127b/53396ea09f254742b49888788409ad47 [2023-12-02 21:34:28,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:34:28,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:34:28,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:34:28,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:34:28,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:34:28,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:34:28" (1/1) ... [2023-12-02 21:34:28,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@376fbd92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:28, skipping insertion in model container [2023-12-02 21:34:28,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:34:28" (1/1) ... [2023-12-02 21:34:28,990 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:34:29,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:34:29,780 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:34:29,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:34:30,003 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:34:30,004 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:34:30,004 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:34:30,004 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:34:30,011 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:34:30,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:30 WrapperNode [2023-12-02 21:34:30,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:34:30,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:34:30,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:34:30,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:34:30,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:30" (1/1) ... [2023-12-02 21:34:30,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:30" (1/1) ... [2023-12-02 21:34:30,063 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2023-12-02 21:34:30,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:34:30,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:34:30,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:34:30,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:34:30,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:30" (1/1) ... [2023-12-02 21:34:30,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:30" (1/1) ... [2023-12-02 21:34:30,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:30" (1/1) ... [2023-12-02 21:34:30,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:30" (1/1) ... [2023-12-02 21:34:30,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:30" (1/1) ... [2023-12-02 21:34:30,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:30" (1/1) ... [2023-12-02 21:34:30,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:30" (1/1) ... [2023-12-02 21:34:30,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:30" (1/1) ... [2023-12-02 21:34:30,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:34:30,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:34:30,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:34:30,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:34:30,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:30" (1/1) ... [2023-12-02 21:34:30,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:34:30,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:34:30,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:34:30,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:34:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:34:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:34:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:34:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:34:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:34:30,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:34:30,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:34:30,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:34:30,160 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:34:30,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:34:30,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:34:30,287 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:34:30,289 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:34:30,385 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:34:30,423 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:34:30,424 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:34:30,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:34:30 BoogieIcfgContainer [2023-12-02 21:34:30,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:34:30,426 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:34:30,427 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:34:30,436 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:34:30,436 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:34:30" (1/1) ... [2023-12-02 21:34:30,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:34:30,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:30,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 21:34:30,499 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 21:34:30,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:34:30,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:30,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:34:30,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:34:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:34:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:34:30,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:34:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:34:30,767 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:34:30,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-02 21:34:30,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:34:30 ImpRootNode [2023-12-02 21:34:30,790 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:34:30,791 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:34:30,791 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:34:30,791 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:34:30,792 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:34:30" (3/4) ... [2023-12-02 21:34:30,794 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:34:30,795 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:34:30,796 INFO L158 Benchmark]: Toolchain (without parser) took 1866.35ms. Allocated memory is still 180.4MB. Free memory was 138.2MB in the beginning and 84.9MB in the end (delta: 53.4MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2023-12-02 21:34:30,796 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:34:30,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1081.79ms. Allocated memory is still 180.4MB. Free memory was 137.7MB in the beginning and 121.8MB in the end (delta: 15.9MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2023-12-02 21:34:30,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.44ms. Allocated memory is still 180.4MB. Free memory was 121.8MB in the beginning and 119.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:34:30,798 INFO L158 Benchmark]: Boogie Preprocessor took 22.92ms. Allocated memory is still 180.4MB. Free memory was 119.2MB in the beginning and 117.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:34:30,799 INFO L158 Benchmark]: RCFGBuilder took 338.43ms. Allocated memory is still 180.4MB. Free memory was 117.6MB in the beginning and 103.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:34:30,800 INFO L158 Benchmark]: CodeCheck took 363.95ms. Allocated memory is still 180.4MB. Free memory was 103.7MB in the beginning and 85.7MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:34:30,800 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 180.4MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:34:30,803 INFO L338 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1565. 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); [L1565] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1565] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={37:36}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_41_bad() [L1557] int data; [L1558] data = 0 [L1560] EXPR \read(data) [L1560] CALL badSink(data) [L1551] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, 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 0.20ms. Allocated memory is still 123.7MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1081.79ms. Allocated memory is still 180.4MB. Free memory was 137.7MB in the beginning and 121.8MB in the end (delta: 15.9MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.44ms. Allocated memory is still 180.4MB. Free memory was 121.8MB in the beginning and 119.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.92ms. Allocated memory is still 180.4MB. Free memory was 119.2MB in the beginning and 117.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.43ms. Allocated memory is still 180.4MB. Free memory was 117.6MB in the beginning and 103.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 363.95ms. Allocated memory is still 180.4MB. Free memory was 103.7MB in the beginning and 85.7MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 180.4MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet102 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:34:30,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/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_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 b9b1d70412686ac905855181812a48195e2e0985343fa22ed5daba712eb76469 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:34:32,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:34:32,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:34:32,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:34:32,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:34:32,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:34:32,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:34:32,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:34:32,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:34:32,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:34:32,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:34:32,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:34:32,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:34:32,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:34:32,796 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:34:32,796 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:34:32,797 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:34:32,798 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:34:32,798 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:34:32,799 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:34:32,799 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:34:32,800 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:34:32,800 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:34:32,801 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:34:32,801 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:32,802 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:34:32,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:34:32,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:34:32,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:34:32,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:34:32,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:34:32,804 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:34:32,805 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:32,805 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:34:32,805 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:34:32,806 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:34:32,806 INFO L153 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_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9b1d70412686ac905855181812a48195e2e0985343fa22ed5daba712eb76469 [2023-12-02 21:34:33,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:34:33,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:34:33,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:34:33,115 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:34:33,116 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:34:33,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i [2023-12-02 21:34:35,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:34:36,209 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:34:36,210 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_41_bad.i [2023-12-02 21:34:36,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/data/d752a4665/93c15a58f45b4363bc55e27681e52317/FLAG93c3e0169 [2023-12-02 21:34:36,248 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/data/d752a4665/93c15a58f45b4363bc55e27681e52317 [2023-12-02 21:34:36,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:34:36,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:34:36,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:34:36,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:34:36,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:34:36,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:34:36" (1/1) ... [2023-12-02 21:34:36,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4331a087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:36, skipping insertion in model container [2023-12-02 21:34:36,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:34:36" (1/1) ... [2023-12-02 21:34:36,328 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:34:37,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:34:37,082 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:34:37,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:34:37,313 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:34:37,314 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:34:37,314 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:34:37,314 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:34:37,322 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:34:37,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:37 WrapperNode [2023-12-02 21:34:37,322 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:34:37,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:34:37,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:34:37,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:34:37,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:37" (1/1) ... [2023-12-02 21:34:37,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:37" (1/1) ... [2023-12-02 21:34:37,383 INFO L138 Inliner]: procedures = 504, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2023-12-02 21:34:37,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:34:37,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:34:37,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:34:37,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:34:37,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:37" (1/1) ... [2023-12-02 21:34:37,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:37" (1/1) ... [2023-12-02 21:34:37,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:37" (1/1) ... [2023-12-02 21:34:37,399 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:37" (1/1) ... [2023-12-02 21:34:37,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:37" (1/1) ... [2023-12-02 21:34:37,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:37" (1/1) ... [2023-12-02 21:34:37,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:37" (1/1) ... [2023-12-02 21:34:37,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:37" (1/1) ... [2023-12-02 21:34:37,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:34:37,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:34:37,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:34:37,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:34:37,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:37" (1/1) ... [2023-12-02 21:34:37,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:34:37,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:34:37,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:34:37,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:34:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:34:37,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:34:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:34:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:34:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:34:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:34:37,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:34:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:34:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:34:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:34:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:34:37,642 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:34:37,644 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:34:37,779 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:34:37,837 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:34:37,838 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:34:37,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:34:37 BoogieIcfgContainer [2023-12-02 21:34:37,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:34:37,840 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:34:37,840 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:34:37,850 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:34:37,850 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:34:37" (1/1) ... [2023-12-02 21:34:37,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:34:37,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:37,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 21:34:37,914 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 21:34:37,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:34:37,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:37,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:34:37,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:34:37,950 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:34:37,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:34:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:34:38,141 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:34:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:34:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:34:38,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:34:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:34:38,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:34:38,399 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:34:38,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 21:34:38,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:34:38 ImpRootNode [2023-12-02 21:34:38,431 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:34:38,432 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:34:38,432 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:34:38,432 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:34:38,432 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:34:37" (3/4) ... [2023-12-02 21:34:38,435 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:34:38,436 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:34:38,437 INFO L158 Benchmark]: Toolchain (without parser) took 2184.04ms. Allocated memory is still 123.7MB. Free memory was 97.0MB in the beginning and 76.2MB in the end (delta: 20.8MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2023-12-02 21:34:38,437 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:34:38,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1068.83ms. Allocated memory is still 123.7MB. Free memory was 96.6MB in the beginning and 64.1MB in the end (delta: 32.5MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2023-12-02 21:34:38,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.38ms. Allocated memory is still 123.7MB. Free memory was 64.1MB in the beginning and 60.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:34:38,439 INFO L158 Benchmark]: Boogie Preprocessor took 36.71ms. Allocated memory is still 123.7MB. Free memory was 60.7MB in the beginning and 58.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:34:38,439 INFO L158 Benchmark]: RCFGBuilder took 418.10ms. Allocated memory is still 123.7MB. Free memory was 58.6MB in the beginning and 94.2MB in the end (delta: -35.6MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2023-12-02 21:34:38,440 INFO L158 Benchmark]: CodeCheck took 590.61ms. Allocated memory is still 123.7MB. Free memory was 94.2MB in the beginning and 77.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:34:38,441 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 123.7MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:34:38,444 INFO L338 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1565. 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); [L1565] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1565] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_41_bad() [L1557] int data; [L1558] data = 0 [L1560] EXPR \read(data) [L1560] CALL badSink(data) [L1551] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, 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 0.17ms. Allocated memory is still 62.9MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1068.83ms. Allocated memory is still 123.7MB. Free memory was 96.6MB in the beginning and 64.1MB in the end (delta: 32.5MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.38ms. Allocated memory is still 123.7MB. Free memory was 64.1MB in the beginning and 60.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.71ms. Allocated memory is still 123.7MB. Free memory was 60.7MB in the beginning and 58.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 418.10ms. Allocated memory is still 123.7MB. Free memory was 58.6MB in the beginning and 94.2MB in the end (delta: -35.6MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * CodeCheck took 590.61ms. Allocated memory is still 123.7MB. Free memory was 94.2MB in the beginning and 77.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 123.7MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:34:38,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5e9e416-939b-42f0-8b06-8f56405cc048/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample