./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi --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 d4359d7c6f388b17d4e292d834ec18d08a11a275e6a7df9bedbd99af358c4547 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:27,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:27,629 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:54:27,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:27,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:27,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:27,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:27,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:27,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:27,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:27,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:27,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:27,693 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:27,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:27,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:27,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:27,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:27,697 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:54:27,697 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:54:27,698 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:27,698 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:27,699 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:27,699 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:27,700 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:27,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:27,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:27,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:27,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:27,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:27,703 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:27,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:27,704 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:27,704 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_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4359d7c6f388b17d4e292d834ec18d08a11a275e6a7df9bedbd99af358c4547 [2023-11-24 22:54:27,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:27,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:27,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:27,998 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:27,998 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:28,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_66_bad.i [2023-11-24 22:54:31,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:31,560 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:31,561 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_66_bad.i [2023-11-24 22:54:31,588 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/data/cdfdbdc5a/ab8050d67f704cb0836d86c7d1cbbffe/FLAG98dbfd05b [2023-11-24 22:54:31,602 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/data/cdfdbdc5a/ab8050d67f704cb0836d86c7d1cbbffe [2023-11-24 22:54:31,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:31,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:31,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:31,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:31,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:31,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:31" (1/1) ... [2023-11-24 22:54:31,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc092dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:31, skipping insertion in model container [2023-11-24 22:54:31,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:31" (1/1) ... [2023-11-24 22:54:31,680 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:32,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:32,792 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:32,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:33,150 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:33,150 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:33,150 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:33,150 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:33,159 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:33,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:33 WrapperNode [2023-11-24 22:54:33,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:33,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:33,162 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:33,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:33,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:33" (1/1) ... [2023-11-24 22:54:33,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:33" (1/1) ... [2023-11-24 22:54:33,264 INFO L138 Inliner]: procedures = 499, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2023-11-24 22:54:33,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:33,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:33,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:33,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:33,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:33" (1/1) ... [2023-11-24 22:54:33,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:33" (1/1) ... [2023-11-24 22:54:33,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:33" (1/1) ... [2023-11-24 22:54:33,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:33" (1/1) ... [2023-11-24 22:54:33,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:33" (1/1) ... [2023-11-24 22:54:33,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:33" (1/1) ... [2023-11-24 22:54:33,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:33" (1/1) ... [2023-11-24 22:54:33,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:33" (1/1) ... [2023-11-24 22:54:33,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:33,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:33,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:33,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:33,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:33" (1/1) ... [2023-11-24 22:54:33,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:33,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:33,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:33,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:54:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:54:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:54:33,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:54:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:33,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:33,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:54:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:54:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:54:33,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:33,539 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:33,541 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:33,694 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:33,739 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:33,739 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:54:33,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:33 BoogieIcfgContainer [2023-11-24 22:54:33,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:33,742 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:33,742 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:33,754 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:33,754 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:33" (1/1) ... [2023-11-24 22:54:33,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:33,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:33,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:54:33,822 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:54:33,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:54:33,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:33,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:33,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:54:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:34,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:54:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:34,240 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:54:34,270 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-24 22:54:34,274 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post105 could not be translated [2023-11-24 22:54:34,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:54:34 ImpRootNode [2023-11-24 22:54:34,287 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:54:34,292 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:54:34,292 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:54:34,292 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:54:34,293 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:33" (3/4) ... [2023-11-24 22:54:34,299 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:54:34,300 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:54:34,302 INFO L158 Benchmark]: Toolchain (without parser) took 2694.65ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 102.5MB in the beginning and 98.7MB in the end (delta: 3.7MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2023-11-24 22:54:34,303 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 113.2MB. Free memory was 66.6MB in the beginning and 66.4MB in the end (delta: 241.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:54:34,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1551.68ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 102.2MB in the beginning and 140.7MB in the end (delta: -38.5MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2023-11-24 22:54:34,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.04ms. Allocated memory is still 184.5MB. Free memory was 140.7MB in the beginning and 137.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:34,306 INFO L158 Benchmark]: Boogie Preprocessor took 36.57ms. Allocated memory is still 184.5MB. Free memory was 137.5MB in the beginning and 136.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:34,308 INFO L158 Benchmark]: RCFGBuilder took 437.51ms. Allocated memory is still 184.5MB. Free memory was 136.5MB in the beginning and 120.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:54:34,309 INFO L158 Benchmark]: CodeCheck took 545.10ms. Allocated memory is still 184.5MB. Free memory was 120.8MB in the beginning and 98.8MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:34,310 INFO L158 Benchmark]: Witness Printer took 8.95ms. Allocated memory is still 184.5MB. Free memory was 98.8MB in the beginning and 98.7MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:54:34,325 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: 1570]: 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 1561. 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); [L1561] 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) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={12:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_postdec_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] EXPR \read(data) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_fscanf_postdec_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataArray={8367:0}, dataArray={8367:0}, 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 0.40ms. Allocated memory is still 113.2MB. Free memory was 66.6MB in the beginning and 66.4MB in the end (delta: 241.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1551.68ms. Allocated memory was 142.6MB in the beginning and 184.5MB in the end (delta: 41.9MB). Free memory was 102.2MB in the beginning and 140.7MB in the end (delta: -38.5MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.04ms. Allocated memory is still 184.5MB. Free memory was 140.7MB in the beginning and 137.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.57ms. Allocated memory is still 184.5MB. Free memory was 137.5MB in the beginning and 136.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 437.51ms. Allocated memory is still 184.5MB. Free memory was 136.5MB in the beginning and 120.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 545.10ms. Allocated memory is still 184.5MB. Free memory was 120.8MB in the beginning and 98.8MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 8.95ms. Allocated memory is still 184.5MB. Free memory was 98.8MB in the beginning and 98.7MB in the end (delta: 2.7kB). 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 Unfinished Backtranslation: IdentifierExpression #t~post105 could not be translated - 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 [2023-11-24 22:54:34,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi --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 d4359d7c6f388b17d4e292d834ec18d08a11a275e6a7df9bedbd99af358c4547 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:37,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:37,177 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:54:37,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:37,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:37,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:37,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:37,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:37,213 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:37,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:37,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:37,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:37,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:37,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:37,217 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:54:37,218 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:54:37,219 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:54:37,219 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:54:37,220 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:54:37,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:37,221 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:37,222 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:37,222 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:37,223 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:37,223 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:37,224 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:54:37,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:37,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:37,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:37,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:37,227 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:37,227 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:54:37,228 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:37,228 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:37,229 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:54:37,229 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:54:37,230 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_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4359d7c6f388b17d4e292d834ec18d08a11a275e6a7df9bedbd99af358c4547 [2023-11-24 22:54:37,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:37,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:37,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:37,676 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:37,677 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:37,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_66_bad.i [2023-11-24 22:54:40,906 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:41,413 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:41,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_66_bad.i [2023-11-24 22:54:41,448 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/data/4e0c76b06/580dd850087d4a9fa7465f4d995aa5bf/FLAG01d110943 [2023-11-24 22:54:41,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/data/4e0c76b06/580dd850087d4a9fa7465f4d995aa5bf [2023-11-24 22:54:41,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:41,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:41,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:41,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:41,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:41,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:41" (1/1) ... [2023-11-24 22:54:41,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207d8eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:41, skipping insertion in model container [2023-11-24 22:54:41,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:41" (1/1) ... [2023-11-24 22:54:41,582 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:42,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:42,978 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:43,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:43,318 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:43,319 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:43,319 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:43,319 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:54:43,327 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:43,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:43 WrapperNode [2023-11-24 22:54:43,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:43,329 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:43,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:43,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:43,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:43" (1/1) ... [2023-11-24 22:54:43,374 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:43" (1/1) ... [2023-11-24 22:54:43,403 INFO L138 Inliner]: procedures = 504, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2023-11-24 22:54:43,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:43,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:43,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:43,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:43,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:43" (1/1) ... [2023-11-24 22:54:43,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:43" (1/1) ... [2023-11-24 22:54:43,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:43" (1/1) ... [2023-11-24 22:54:43,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:43" (1/1) ... [2023-11-24 22:54:43,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:43" (1/1) ... [2023-11-24 22:54:43,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:43" (1/1) ... [2023-11-24 22:54:43,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:43" (1/1) ... [2023-11-24 22:54:43,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:43" (1/1) ... [2023-11-24 22:54:43,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:43,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:43,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:43,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:43,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:43" (1/1) ... [2023-11-24 22:54:43,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:43,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:43,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:43,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:54:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:54:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:54:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:54:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:43,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:54:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:54:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:54:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:54:43,781 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:43,784 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:44,026 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:44,078 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:44,080 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:54:44,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:44 BoogieIcfgContainer [2023-11-24 22:54:44,083 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:44,083 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:44,084 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:44,094 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:44,094 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:44" (1/1) ... [2023-11-24 22:54:44,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:44,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:44,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:54:44,182 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:54:44,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:54:44,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:44,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:54:44,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:54:44,196 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:54:44,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:54:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:44,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:54:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:44,770 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:54:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:54:44,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:54:44,942 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:54:44,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 22:54:44,985 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post103 could not be translated [2023-11-24 22:54:44,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:54:44 ImpRootNode [2023-11-24 22:54:44,990 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:54:44,992 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:54:44,993 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:54:44,993 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:54:44,994 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:44" (3/4) ... [2023-11-24 22:54:45,017 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:54:45,018 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:54:45,020 INFO L158 Benchmark]: Toolchain (without parser) took 3543.74ms. Allocated memory was 79.7MB in the beginning and 119.5MB in the end (delta: 39.8MB). Free memory was 51.6MB in the beginning and 90.2MB in the end (delta: -38.6MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2023-11-24 22:54:45,020 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 79.7MB. Free memory was 55.3MB in the beginning and 55.1MB in the end (delta: 158.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:45,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1850.40ms. Allocated memory was 79.7MB in the beginning and 119.5MB in the end (delta: 39.8MB). Free memory was 51.6MB in the beginning and 65.1MB in the end (delta: -13.6MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2023-11-24 22:54:45,022 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.58ms. Allocated memory is still 119.5MB. Free memory was 65.1MB in the beginning and 62.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:45,023 INFO L158 Benchmark]: Boogie Preprocessor took 41.47ms. Allocated memory is still 119.5MB. Free memory was 62.1MB in the beginning and 60.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:54:45,025 INFO L158 Benchmark]: RCFGBuilder took 635.81ms. Allocated memory is still 119.5MB. Free memory was 60.0MB in the beginning and 75.1MB in the end (delta: -15.1MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-11-24 22:54:45,026 INFO L158 Benchmark]: CodeCheck took 907.15ms. Allocated memory is still 119.5MB. Free memory was 75.1MB in the beginning and 55.0MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:54:45,027 INFO L158 Benchmark]: Witness Printer took 25.82ms. Allocated memory is still 119.5MB. Free memory was 55.0MB in the beginning and 90.2MB in the end (delta: -35.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:54:45,039 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: 0.8s, 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: 1570]: 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 1561. 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_postdec_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] EXPR \read(data) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_fscanf_postdec_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataArray={9:0}, dataArray={9:0}, 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 0.36ms. Allocated memory is still 79.7MB. Free memory was 55.3MB in the beginning and 55.1MB in the end (delta: 158.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1850.40ms. Allocated memory was 79.7MB in the beginning and 119.5MB in the end (delta: 39.8MB). Free memory was 51.6MB in the beginning and 65.1MB in the end (delta: -13.6MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.58ms. Allocated memory is still 119.5MB. Free memory was 65.1MB in the beginning and 62.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.47ms. Allocated memory is still 119.5MB. Free memory was 62.1MB in the beginning and 60.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 635.81ms. Allocated memory is still 119.5MB. Free memory was 60.0MB in the beginning and 75.1MB in the end (delta: -15.1MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * CodeCheck took 907.15ms. Allocated memory is still 119.5MB. Free memory was 75.1MB in the beginning and 55.0MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 25.82ms. Allocated memory is still 119.5MB. Free memory was 55.0MB in the beginning and 90.2MB in the end (delta: -35.2MB). Peak memory consumption was 4.2MB. 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 Unfinished Backtranslation: IdentifierExpression #t~post103 could not be translated - 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 [2023-11-24 22:54:45,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e069384-e88e-4ea9-b9ee-a460122914b9/bin/ukojak-verify-afCqCEvfdi/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample