./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/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_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/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_c0d1441d-23a8-48eb-8abd-1c034180da7f/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 3fcb54e50249805043d05289682c0923c0b8164877d34759ba4f91b097986549 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:07:13,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:07:13,701 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 04:07:13,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:07:13,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:07:13,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:07:13,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:07:13,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:07:13,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:07:13,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:07:13,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:07:13,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:07:13,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:07:13,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:07:13,734 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:07:13,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:07:13,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:07:13,736 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:07:13,736 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:07:13,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:07:13,737 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:07:13,738 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:07:13,738 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:07:13,739 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:07:13,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:07:13,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:07:13,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:07:13,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:07:13,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:07:13,741 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:07:13,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:07:13,742 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:07:13,743 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_c0d1441d-23a8-48eb-8abd-1c034180da7f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fcb54e50249805043d05289682c0923c0b8164877d34759ba4f91b097986549 [2023-12-03 04:07:13,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:07:13,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:07:13,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:07:13,996 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:07:13,997 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:07:13,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i [2023-12-03 04:07:16,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:07:17,059 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:07:17,060 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i [2023-12-03 04:07:17,084 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/data/0b423d342/3ecab10e3f764daa93e4f444407fe8ba/FLAGefcc4c0fc [2023-12-03 04:07:17,099 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/data/0b423d342/3ecab10e3f764daa93e4f444407fe8ba [2023-12-03 04:07:17,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:07:17,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:07:17,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:07:17,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:07:17,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:07:17,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:07:17" (1/1) ... [2023-12-03 04:07:17,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1339d864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:17, skipping insertion in model container [2023-12-03 04:07:17,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:07:17" (1/1) ... [2023-12-03 04:07:17,171 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:07:17,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:07:17,952 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:07:18,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:07:18,230 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:07:18,230 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:07:18,231 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:07:18,231 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:07:18,239 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:07:18,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:18 WrapperNode [2023-12-03 04:07:18,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:07:18,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:07:18,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:07:18,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:07:18,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:18" (1/1) ... [2023-12-03 04:07:18,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:18" (1/1) ... [2023-12-03 04:07:18,297 INFO L138 Inliner]: procedures = 498, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2023-12-03 04:07:18,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:07:18,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:07:18,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:07:18,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:07:18,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:18" (1/1) ... [2023-12-03 04:07:18,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:18" (1/1) ... [2023-12-03 04:07:18,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:18" (1/1) ... [2023-12-03 04:07:18,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:18" (1/1) ... [2023-12-03 04:07:18,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:18" (1/1) ... [2023-12-03 04:07:18,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:18" (1/1) ... [2023-12-03 04:07:18,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:18" (1/1) ... [2023-12-03 04:07:18,323 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:18" (1/1) ... [2023-12-03 04:07:18,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:07:18,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:07:18,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:07:18,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:07:18,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:18" (1/1) ... [2023-12-03 04:07:18,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:07:18,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:07:18,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:07:18,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:07:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:07:18,388 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:07:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:07:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:07:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:07:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:07:18,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:07:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:07:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:07:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:07:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:07:18,532 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:07:18,534 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:07:18,652 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:07:18,694 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:07:18,695 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:07:18,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:07:18 BoogieIcfgContainer [2023-12-03 04:07:18,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:07:18,698 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:07:18,698 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:07:18,706 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:07:18,706 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:07:18" (1/1) ... [2023-12-03 04:07:18,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:07:18,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:18,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 04:07:18,764 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 04:07:18,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:07:18,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:18,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:07:18,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:07:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:07:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:07:19,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:07:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:07:19,072 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:07:19,091 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-12-03 04:07:19,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post102 could not be translated [2023-12-03 04:07:19,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:07:19 ImpRootNode [2023-12-03 04:07:19,099 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:07:19,099 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:07:19,100 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:07:19,100 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:07:19,100 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:07:18" (3/4) ... [2023-12-03 04:07:19,102 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:07:19,103 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:07:19,105 INFO L158 Benchmark]: Toolchain (without parser) took 2001.29ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 105.4MB in the beginning and 115.6MB in the end (delta: -10.2MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2023-12-03 04:07:19,105 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 148.9MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:07:19,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1135.95ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 104.9MB in the beginning and 157.6MB in the end (delta: -52.6MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2023-12-03 04:07:19,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.18ms. Allocated memory is still 201.3MB. Free memory was 157.6MB in the beginning and 154.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:07:19,107 INFO L158 Benchmark]: Boogie Preprocessor took 26.58ms. Allocated memory is still 201.3MB. Free memory was 154.4MB in the beginning and 153.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:07:19,107 INFO L158 Benchmark]: RCFGBuilder took 371.43ms. Allocated memory is still 201.3MB. Free memory was 152.3MB in the beginning and 137.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 04:07:19,108 INFO L158 Benchmark]: CodeCheck took 400.72ms. Allocated memory is still 201.3MB. Free memory was 137.6MB in the beginning and 116.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 04:07:19,108 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 201.3MB. Free memory was 116.7MB in the beginning and 115.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:07:19,112 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: 1563]: 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 1572. 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); [L1572] 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) [L1572] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=55, argc=55, argv={54:53}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] CALL CWE191_Integer_Underflow__int_fscanf_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_postdec_34_unionType myUnion; [L1557] data = 0 [L1559] EXPR \read(data) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={30616:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={41067:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 148.9MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1135.95ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 104.9MB in the beginning and 157.6MB in the end (delta: -52.6MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.18ms. Allocated memory is still 201.3MB. Free memory was 157.6MB in the beginning and 154.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.58ms. Allocated memory is still 201.3MB. Free memory was 154.4MB in the beginning and 153.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 371.43ms. Allocated memory is still 201.3MB. Free memory was 152.3MB in the beginning and 137.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 400.72ms. Allocated memory is still 201.3MB. Free memory was 137.6MB in the beginning and 116.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 201.3MB. Free memory was 116.7MB in the beginning and 115.6MB in the end (delta: 1.1MB). 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~nondet104 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post102 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 [2023-12-03 04:07:19,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/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_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/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_c0d1441d-23a8-48eb-8abd-1c034180da7f/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 3fcb54e50249805043d05289682c0923c0b8164877d34759ba4f91b097986549 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:07:21,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:07:21,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 04:07:21,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:07:21,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:07:21,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:07:21,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:07:21,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:07:21,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:07:21,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:07:21,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:07:21,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:07:21,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:07:21,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:07:21,166 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:07:21,167 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:07:21,168 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:07:21,168 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:07:21,169 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:07:21,169 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:07:21,170 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:07:21,175 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:07:21,176 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:07:21,176 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:07:21,177 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:21,177 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:07:21,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:07:21,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:07:21,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:07:21,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:07:21,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:07:21,180 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:07:21,180 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:21,180 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:07:21,180 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:07:21,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:07:21,181 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_c0d1441d-23a8-48eb-8abd-1c034180da7f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fcb54e50249805043d05289682c0923c0b8164877d34759ba4f91b097986549 [2023-12-03 04:07:21,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:07:21,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:07:21,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:07:21,490 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:07:21,491 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:07:21,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i [2023-12-03 04:07:24,270 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:07:24,592 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:07:24,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_34_bad.i [2023-12-03 04:07:24,615 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/data/63e9d3101/2e951f86507a449b8ddcac2469d29ea3/FLAGf0fbd2779 [2023-12-03 04:07:24,629 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/data/63e9d3101/2e951f86507a449b8ddcac2469d29ea3 [2023-12-03 04:07:24,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:07:24,632 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:07:24,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:07:24,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:07:24,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:07:24,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:07:24" (1/1) ... [2023-12-03 04:07:24,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75947cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:24, skipping insertion in model container [2023-12-03 04:07:24,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:07:24" (1/1) ... [2023-12-03 04:07:24,703 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:07:25,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:07:25,431 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:07:25,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:07:25,624 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:07:25,625 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:07:25,625 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:07:25,625 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:07:25,631 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:07:25,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:25 WrapperNode [2023-12-03 04:07:25,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:07:25,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:07:25,633 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:07:25,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:07:25,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:25" (1/1) ... [2023-12-03 04:07:25,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:25" (1/1) ... [2023-12-03 04:07:25,687 INFO L138 Inliner]: procedures = 503, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-12-03 04:07:25,688 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:07:25,689 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:07:25,689 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:07:25,689 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:07:25,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:25" (1/1) ... [2023-12-03 04:07:25,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:25" (1/1) ... [2023-12-03 04:07:25,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:25" (1/1) ... [2023-12-03 04:07:25,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:25" (1/1) ... [2023-12-03 04:07:25,711 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:25" (1/1) ... [2023-12-03 04:07:25,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:25" (1/1) ... [2023-12-03 04:07:25,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:25" (1/1) ... [2023-12-03 04:07:25,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:25" (1/1) ... [2023-12-03 04:07:25,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:07:25,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:07:25,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:07:25,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:07:25,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:25" (1/1) ... [2023-12-03 04:07:25,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:07:25,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:07:25,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:07:25,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:07:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:07:25,786 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:07:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:07:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:07:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:07:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:07:25,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:07:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:07:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:07:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:07:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:07:25,942 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:07:25,945 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:07:26,140 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:07:26,184 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:07:26,184 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:07:26,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:07:26 BoogieIcfgContainer [2023-12-03 04:07:26,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:07:26,187 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:07:26,188 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:07:26,198 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:07:26,198 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:07:26" (1/1) ... [2023-12-03 04:07:26,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:07:26,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:26,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 04:07:26,265 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 04:07:26,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:07:26,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:26,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:26,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:26,271 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:26,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:07:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:07:26,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:07:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:07:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:07:26,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:07:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:07:27,012 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:07:27,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:07:27,023 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:07:27,044 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 04:07:27,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post100 could not be translated [2023-12-03 04:07:27,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:07:27 ImpRootNode [2023-12-03 04:07:27,051 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:07:27,052 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:07:27,052 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:07:27,053 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:07:27,053 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:07:26" (3/4) ... [2023-12-03 04:07:27,055 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:07:27,056 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:07:27,057 INFO L158 Benchmark]: Toolchain (without parser) took 2424.64ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 59.0MB in the end (delta: 6.3MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2023-12-03 04:07:27,058 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 67.1MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:07:27,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 998.27ms. Allocated memory is still 92.3MB. Free memory was 65.0MB in the beginning and 46.6MB in the end (delta: 18.3MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-12-03 04:07:27,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.59ms. Allocated memory is still 92.3MB. Free memory was 46.6MB in the beginning and 43.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:07:27,059 INFO L158 Benchmark]: Boogie Preprocessor took 35.74ms. Allocated memory is still 92.3MB. Free memory was 43.7MB in the beginning and 41.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:07:27,060 INFO L158 Benchmark]: RCFGBuilder took 461.56ms. Allocated memory is still 92.3MB. Free memory was 41.2MB in the beginning and 51.3MB in the end (delta: -10.1MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-12-03 04:07:27,060 INFO L158 Benchmark]: CodeCheck took 864.17ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 59.5MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:07:27,061 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 92.3MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:07:27,064 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, 0.2s 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: 1563]: 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 1572. 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); [L1572] 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) [L1572] 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] [L1573] CALL CWE191_Integer_Underflow__int_fscanf_postdec_34_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_postdec_34_unionType myUnion; [L1557] data = 0 [L1559] EXPR \read(data) [L1559] myUnion.unionFirst = data [L1561] EXPR myUnion.unionSecond [L1561] int data = myUnion.unionSecond; [L1563] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={11:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={7:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 67.1MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 998.27ms. Allocated memory is still 92.3MB. Free memory was 65.0MB in the beginning and 46.6MB in the end (delta: 18.3MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.59ms. Allocated memory is still 92.3MB. Free memory was 46.6MB in the beginning and 43.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.74ms. Allocated memory is still 92.3MB. Free memory was 43.7MB in the beginning and 41.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 461.56ms. Allocated memory is still 92.3MB. Free memory was 41.2MB in the beginning and 51.3MB in the end (delta: -10.1MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * CodeCheck took 864.17ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 59.5MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 92.3MB. Free memory is still 59.0MB. 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~post100 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 [2023-12-03 04:07:27,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0d1441d-23a8-48eb-8abd-1c034180da7f/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