./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_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_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/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_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/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_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/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 1e8ab39984e102e82462baebafa37afc5f8710d814bb6dea39c7eb7c9b060b02 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:15:00,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:15:00,771 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 04:15:00,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:15:00,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:15:00,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:15:00,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:15:00,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:15:00,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:15:00,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:15:00,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:15:00,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:15:00,802 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:15:00,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:15:00,803 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:15:00,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:15:00,804 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:15:00,804 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:15:00,805 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:15:00,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:15:00,806 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:15:00,807 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:15:00,808 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:15:00,808 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:15:00,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:15:00,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:15:00,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:15:00,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:15:00,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:15:00,811 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:15:00,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:15:00,812 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:15:00,812 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_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e8ab39984e102e82462baebafa37afc5f8710d814bb6dea39c7eb7c9b060b02 [2023-12-03 04:15:01,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:15:01,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:15:01,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:15:01,047 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:15:01,047 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:15:01,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_bad.i [2023-12-03 04:15:03,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:15:04,157 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:15:04,158 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_bad.i [2023-12-03 04:15:04,182 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/data/420592184/18d54f7b379541d89f8ddeaa1d92ab36/FLAG3ef1c4e71 [2023-12-03 04:15:04,413 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/data/420592184/18d54f7b379541d89f8ddeaa1d92ab36 [2023-12-03 04:15:04,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:15:04,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:15:04,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:15:04,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:15:04,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:15:04,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:15:04" (1/1) ... [2023-12-03 04:15:04,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee11d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:04, skipping insertion in model container [2023-12-03 04:15:04,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:15:04" (1/1) ... [2023-12-03 04:15:04,484 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:15:05,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:15:05,204 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:15:05,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:15:05,437 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:15:05,437 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:15:05,437 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:15:05,437 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:15:05,437 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:15:05,443 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:15:05,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:05 WrapperNode [2023-12-03 04:15:05,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:15:05,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:15:05,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:15:05,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:15:05,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:05" (1/1) ... [2023-12-03 04:15:05,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:05" (1/1) ... [2023-12-03 04:15:05,494 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 53 [2023-12-03 04:15:05,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:15:05,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:15:05,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:15:05,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:15:05,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:05" (1/1) ... [2023-12-03 04:15:05,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:05" (1/1) ... [2023-12-03 04:15:05,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:05" (1/1) ... [2023-12-03 04:15:05,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:05" (1/1) ... [2023-12-03 04:15:05,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:05" (1/1) ... [2023-12-03 04:15:05,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:05" (1/1) ... [2023-12-03 04:15:05,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:05" (1/1) ... [2023-12-03 04:15:05,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:05" (1/1) ... [2023-12-03 04:15:05,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:15:05,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:15:05,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:15:05,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:15:05,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:05" (1/1) ... [2023-12-03 04:15:05,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:15:05,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:15:05,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:15:05,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:15:05,574 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:15:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:15:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:15:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:15:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:15:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:15:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:15:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:15:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:15:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:15:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:15:05,702 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:15:05,703 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:15:05,803 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:15:05,836 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:15:05,836 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:15:05,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:15:05 BoogieIcfgContainer [2023-12-03 04:15:05,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:15:05,839 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:15:05,839 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:15:05,849 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:15:05,849 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:15:05" (1/1) ... [2023-12-03 04:15:05,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:15:05,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:05,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 04:15:05,899 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 04:15:05,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:15:05,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:05,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:15:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:15:06,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:15:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:15:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:15:06,128 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:15:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:15:06,166 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:15:06,187 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-12-03 04:15:06,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:15:06 ImpRootNode [2023-12-03 04:15:06,193 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:15:06,194 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:15:06,194 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:15:06,194 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:15:06,194 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:15:05" (3/4) ... [2023-12-03 04:15:06,196 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:15:06,197 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:15:06,198 INFO L158 Benchmark]: Toolchain (without parser) took 1781.27ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 52.8MB in the end (delta: 48.2MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2023-12-03 04:15:06,198 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:15:06,199 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1026.33ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 91.3MB in the end (delta: 9.7MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2023-12-03 04:15:06,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.33ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 88.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:15:06,200 INFO L158 Benchmark]: Boogie Preprocessor took 22.98ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 87.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:15:06,201 INFO L158 Benchmark]: RCFGBuilder took 319.60ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 72.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 04:15:06,201 INFO L158 Benchmark]: CodeCheck took 354.32ms. Allocated memory is still 142.6MB. Free memory was 72.5MB in the beginning and 53.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 04:15:06,202 INFO L158 Benchmark]: Witness Printer took 3.33ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 52.8MB in the end (delta: 760.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:15:06,205 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: 1568]: 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 1560. 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); [L1560] 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) [L1560] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=16, argc=16, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL CWE191_Integer_Underflow__int_fscanf_sub_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_fscanf_sub_65b_badSink; [L1553] data = 0 [L1555] EXPR \read(data) [L1555] CALL funcPtr(data) [L1568] 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 0.23ms. Allocated memory is still 100.7MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1026.33ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 91.3MB in the end (delta: 9.7MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.33ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 88.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.98ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 87.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 319.60ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 72.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 354.32ms. Allocated memory is still 142.6MB. Free memory was 72.5MB in the beginning and 53.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.33ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 52.8MB in the end (delta: 760.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet103 - 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 [2023-12-03 04:15:06,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/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_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/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_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/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 1e8ab39984e102e82462baebafa37afc5f8710d814bb6dea39c7eb7c9b060b02 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:15:08,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:15:08,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 04:15:08,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:15:08,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:15:08,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:15:08,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:15:08,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:15:08,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:15:08,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:15:08,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:15:08,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:15:08,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:15:08,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:15:08,327 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:15:08,327 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:15:08,328 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:15:08,328 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:15:08,329 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:15:08,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:15:08,330 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:15:08,331 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:15:08,332 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:15:08,332 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:15:08,333 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:15:08,333 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:15:08,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:15:08,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:15:08,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:15:08,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:15:08,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:15:08,336 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:15:08,336 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:15:08,336 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:15:08,337 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:15:08,337 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:15:08,337 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_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e8ab39984e102e82462baebafa37afc5f8710d814bb6dea39c7eb7c9b060b02 [2023-12-03 04:15:08,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:15:08,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:15:08,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:15:08,636 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:15:08,637 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:15:08,638 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_bad.i [2023-12-03 04:15:11,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:15:11,765 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:15:11,766 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_bad.i [2023-12-03 04:15:11,789 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/data/dd3c4de81/48b8897da8374839b5b451d02644daca/FLAGbc89b7654 [2023-12-03 04:15:11,804 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/data/dd3c4de81/48b8897da8374839b5b451d02644daca [2023-12-03 04:15:11,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:15:11,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:15:11,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:15:11,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:15:11,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:15:11,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:15:11" (1/1) ... [2023-12-03 04:15:11,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f016aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:11, skipping insertion in model container [2023-12-03 04:15:11,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:15:11" (1/1) ... [2023-12-03 04:15:11,877 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:15:12,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:15:12,654 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:15:12,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:15:12,878 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:15:12,878 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:15:12,878 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:15:12,879 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:15:12,879 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:15:12,887 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:15:12,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:12 WrapperNode [2023-12-03 04:15:12,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:15:12,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:15:12,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:15:12,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:15:12,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:12" (1/1) ... [2023-12-03 04:15:12,924 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:12" (1/1) ... [2023-12-03 04:15:12,950 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 52 [2023-12-03 04:15:12,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:15:12,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:15:12,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:15:12,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:15:12,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:12" (1/1) ... [2023-12-03 04:15:12,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:12" (1/1) ... [2023-12-03 04:15:12,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:12" (1/1) ... [2023-12-03 04:15:12,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:12" (1/1) ... [2023-12-03 04:15:12,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:12" (1/1) ... [2023-12-03 04:15:12,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:12" (1/1) ... [2023-12-03 04:15:12,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:12" (1/1) ... [2023-12-03 04:15:12,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:12" (1/1) ... [2023-12-03 04:15:12,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:15:12,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:15:12,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:15:12,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:15:12,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:12" (1/1) ... [2023-12-03 04:15:12,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:15:13,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:15:13,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:15:13,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:15:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:15:13,077 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:15:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:15:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:15:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:15:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:15:13,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:15:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:15:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:15:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:15:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:15:13,255 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:15:13,257 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:15:13,402 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:15:13,446 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:15:13,447 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:15:13,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:15:13 BoogieIcfgContainer [2023-12-03 04:15:13,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:15:13,449 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:15:13,449 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:15:13,457 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:15:13,457 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:15:13" (1/1) ... [2023-12-03 04:15:13,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:15:13,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:13,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 04:15:13,511 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 04:15:13,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:15:13,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:13,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:15:13,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:15:13,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:15:13,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:15:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:15:13,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:15:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:15:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:15:13,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:15:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:15:14,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:15:14,061 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:15:14,062 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:15:14,083 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-03 04:15:14,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:15:14 ImpRootNode [2023-12-03 04:15:14,090 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:15:14,091 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:15:14,091 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:15:14,091 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:15:14,092 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:15:13" (3/4) ... [2023-12-03 04:15:14,094 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:15:14,095 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:15:14,096 INFO L158 Benchmark]: Toolchain (without parser) took 2287.45ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 58.8MB in the end (delta: 31.2MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2023-12-03 04:15:14,096 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:15:14,097 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1078.37ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 54.2MB in the end (delta: 35.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-03 04:15:14,097 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.62ms. Allocated memory is still 117.4MB. Free memory was 54.2MB in the beginning and 50.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:15:14,098 INFO L158 Benchmark]: Boogie Preprocessor took 38.80ms. Allocated memory is still 117.4MB. Free memory was 50.9MB in the beginning and 48.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:15:14,098 INFO L158 Benchmark]: RCFGBuilder took 457.87ms. Allocated memory is still 117.4MB. Free memory was 48.8MB in the beginning and 77.2MB in the end (delta: -28.5MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2023-12-03 04:15:14,099 INFO L158 Benchmark]: CodeCheck took 641.51ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 58.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 04:15:14,099 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 117.4MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:15:14,102 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: 0.6s, 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: 1568]: 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 1560. 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_fscanf_sub_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_fscanf_sub_65b_badSink; [L1553] data = 0 [L1555] EXPR \read(data) [L1555] CALL funcPtr(data) [L1568] 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 0.19ms. Allocated memory is still 62.9MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1078.37ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 54.2MB in the end (delta: 35.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.62ms. Allocated memory is still 117.4MB. Free memory was 54.2MB in the beginning and 50.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.80ms. Allocated memory is still 117.4MB. Free memory was 50.9MB in the beginning and 48.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 457.87ms. Allocated memory is still 117.4MB. Free memory was 48.8MB in the beginning and 77.2MB in the end (delta: -28.5MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * CodeCheck took 641.51ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 58.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 117.4MB. Free memory is still 58.8MB. 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~nondet101 - 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 [2023-12-03 04:15:14,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d2e25f9-3568-4aeb-ad2a-b15772be5f7d/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