./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_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_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/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_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/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_a32e7a03-5219-4855-a0d6-175264718df5/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 962a2497b7b8f4c1e03acb8fa0d16e0f6e4bb29ad7fb6eced3d659e6a9ad7c4a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:00:36,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:00:36,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 02:00:36,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:00:36,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:00:36,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:00:36,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:00:36,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:00:36,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:00:36,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:00:36,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:00:36,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:00:36,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:00:36,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:00:36,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:00:36,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:00:36,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:00:36,368 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:00:36,368 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:00:36,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:00:36,369 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:00:36,371 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:00:36,371 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:00:36,372 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:00:36,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:00:36,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:00:36,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:00:36,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:00:36,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:00:36,374 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:00:36,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:00:36,375 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:00:36,375 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_a32e7a03-5219-4855-a0d6-175264718df5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 962a2497b7b8f4c1e03acb8fa0d16e0f6e4bb29ad7fb6eced3d659e6a9ad7c4a [2023-12-03 02:00:36,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:00:36,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:00:36,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:00:36,633 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:00:36,634 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:00:36,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i [2023-12-03 02:00:39,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:00:39,745 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:00:39,746 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i [2023-12-03 02:00:39,768 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/data/aeef68a82/9726cf4c81b04a13bb5a90d52ec8c4e6/FLAGd946ce2e0 [2023-12-03 02:00:39,783 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/data/aeef68a82/9726cf4c81b04a13bb5a90d52ec8c4e6 [2023-12-03 02:00:39,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:00:39,787 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:00:39,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:00:39,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:00:39,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:00:39,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:00:39" (1/1) ... [2023-12-03 02:00:39,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c4552cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:39, skipping insertion in model container [2023-12-03 02:00:39,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:00:39" (1/1) ... [2023-12-03 02:00:39,870 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:00:40,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:00:40,608 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:00:40,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:00:40,834 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:00:40,834 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:00:40,834 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:00:40,835 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:00:40,843 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:00:40,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:40 WrapperNode [2023-12-03 02:00:40,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:00:40,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:00:40,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:00:40,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:00:40,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:40" (1/1) ... [2023-12-03 02:00:40,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:40" (1/1) ... [2023-12-03 02:00:40,898 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 55 [2023-12-03 02:00:40,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:00:40,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:00:40,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:00:40,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:00:40,907 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:40" (1/1) ... [2023-12-03 02:00:40,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:40" (1/1) ... [2023-12-03 02:00:40,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:40" (1/1) ... [2023-12-03 02:00:40,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:40" (1/1) ... [2023-12-03 02:00:40,917 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:40" (1/1) ... [2023-12-03 02:00:40,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:40" (1/1) ... [2023-12-03 02:00:40,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:40" (1/1) ... [2023-12-03 02:00:40,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:40" (1/1) ... [2023-12-03 02:00:40,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:00:40,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:00:40,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:00:40,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:00:40,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:40" (1/1) ... [2023-12-03 02:00:40,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:00:40,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:00:40,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:00:40,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:00:41,005 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:00:41,006 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:00:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:00:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:00:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:00:41,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:00:41,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:00:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:00:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:00:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:00:41,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:00:41,165 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:00:41,167 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:00:41,274 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:00:41,311 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:00:41,311 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:00:41,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:00:41 BoogieIcfgContainer [2023-12-03 02:00:41,313 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:00:41,314 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:00:41,314 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:00:41,325 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:00:41,325 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:00:41" (1/1) ... [2023-12-03 02:00:41,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:00:41,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:00:41,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 02:00:41,388 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 02:00:41,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:00:41,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:00:41,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:00:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:00:41,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:00:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:00:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:00:41,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:00:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:00:41,651 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:00:41,671 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-12-03 02:00:41,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:00:41 ImpRootNode [2023-12-03 02:00:41,677 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:00:41,678 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:00:41,678 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:00:41,678 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:00:41,679 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:00:41" (3/4) ... [2023-12-03 02:00:41,681 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:00:41,682 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:00:41,682 INFO L158 Benchmark]: Toolchain (without parser) took 1894.99ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 114.9MB in the beginning and 98.8MB in the end (delta: 16.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-12-03 02:00:41,683 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 151.0MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:00:41,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1055.14ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 114.7MB in the beginning and 136.8MB in the end (delta: -22.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-12-03 02:00:41,684 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.16ms. Allocated memory is still 192.9MB. Free memory was 136.8MB in the beginning and 134.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:00:41,685 INFO L158 Benchmark]: Boogie Preprocessor took 27.07ms. Allocated memory is still 192.9MB. Free memory was 134.4MB in the beginning and 132.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:00:41,685 INFO L158 Benchmark]: RCFGBuilder took 386.45ms. Allocated memory is still 192.9MB. Free memory was 132.6MB in the beginning and 118.0MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:00:41,686 INFO L158 Benchmark]: CodeCheck took 363.01ms. Allocated memory is still 192.9MB. Free memory was 118.0MB in the beginning and 99.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 02:00:41,687 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 192.9MB. Free memory was 99.1MB in the beginning and 98.8MB in the end (delta: 325.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:00:41,690 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1554]: 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 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={34:33}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] EXPR \read(data) [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, 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 0.21ms. Allocated memory is still 151.0MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1055.14ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 114.7MB in the beginning and 136.8MB in the end (delta: -22.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.16ms. Allocated memory is still 192.9MB. Free memory was 136.8MB in the beginning and 134.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.07ms. Allocated memory is still 192.9MB. Free memory was 134.4MB in the beginning and 132.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 386.45ms. Allocated memory is still 192.9MB. Free memory was 132.6MB in the beginning and 118.0MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 363.01ms. Allocated memory is still 192.9MB. Free memory was 118.0MB in the beginning and 99.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 192.9MB. Free memory was 99.1MB in the beginning and 98.8MB in the end (delta: 325.4kB). 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~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 02:00:41,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/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_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/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_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/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_a32e7a03-5219-4855-a0d6-175264718df5/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 962a2497b7b8f4c1e03acb8fa0d16e0f6e4bb29ad7fb6eced3d659e6a9ad7c4a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:00:43,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:00:43,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 02:00:43,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:00:43,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:00:43,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:00:43,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:00:43,765 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:00:43,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:00:43,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:00:43,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:00:43,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:00:43,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:00:43,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:00:43,769 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:00:43,770 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:00:43,770 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:00:43,771 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:00:43,771 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:00:43,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:00:43,772 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:00:43,777 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:00:43,777 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:00:43,778 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:00:43,778 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:00:43,778 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:00:43,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:00:43,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:00:43,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:00:43,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:00:43,780 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:00:43,781 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:00:43,781 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:00:43,781 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:00:43,782 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:00:43,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:00:43,782 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_a32e7a03-5219-4855-a0d6-175264718df5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 962a2497b7b8f4c1e03acb8fa0d16e0f6e4bb29ad7fb6eced3d659e6a9ad7c4a [2023-12-03 02:00:44,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:00:44,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:00:44,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:00:44,088 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:00:44,089 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:00:44,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i [2023-12-03 02:00:46,884 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:00:47,208 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:00:47,209 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_21_bad.i [2023-12-03 02:00:47,236 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/data/728f2dff1/6a0f411e3b34454f9dfe233a42fcc5c4/FLAG4e9f4f4a5 [2023-12-03 02:00:47,251 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/data/728f2dff1/6a0f411e3b34454f9dfe233a42fcc5c4 [2023-12-03 02:00:47,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:00:47,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:00:47,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:00:47,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:00:47,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:00:47,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:00:47" (1/1) ... [2023-12-03 02:00:47,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58be6501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:47, skipping insertion in model container [2023-12-03 02:00:47,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:00:47" (1/1) ... [2023-12-03 02:00:47,326 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:00:48,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:00:48,109 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:00:48,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:00:48,300 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:00:48,301 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:00:48,301 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:00:48,301 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:00:48,307 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:00:48,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:48 WrapperNode [2023-12-03 02:00:48,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:00:48,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:00:48,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:00:48,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:00:48,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:48" (1/1) ... [2023-12-03 02:00:48,340 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:48" (1/1) ... [2023-12-03 02:00:48,375 INFO L138 Inliner]: procedures = 504, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 54 [2023-12-03 02:00:48,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:00:48,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:00:48,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:00:48,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:00:48,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:48" (1/1) ... [2023-12-03 02:00:48,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:48" (1/1) ... [2023-12-03 02:00:48,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:48" (1/1) ... [2023-12-03 02:00:48,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:48" (1/1) ... [2023-12-03 02:00:48,398 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:48" (1/1) ... [2023-12-03 02:00:48,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:48" (1/1) ... [2023-12-03 02:00:48,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:48" (1/1) ... [2023-12-03 02:00:48,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:48" (1/1) ... [2023-12-03 02:00:48,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:00:48,411 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:00:48,411 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:00:48,411 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:00:48,412 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:00:48" (1/1) ... [2023-12-03 02:00:48,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:00:48,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:00:48,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:00:48,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:00:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:00:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:00:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:00:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:00:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:00:48,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:00:48,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:00:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:00:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:00:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:00:48,476 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:00:48,628 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:00:48,631 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:00:48,779 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:00:48,816 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:00:48,817 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:00:48,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:00:48 BoogieIcfgContainer [2023-12-03 02:00:48,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:00:48,819 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:00:48,819 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:00:48,829 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:00:48,830 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:00:48" (1/1) ... [2023-12-03 02:00:48,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:00:48,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:00:48,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 02:00:48,895 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 02:00:48,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:00:48,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:00:48,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:00:48,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:00:48,902 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:00:48,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:00:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:00:49,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:00:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:00:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:00:49,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:00:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:00:49,317 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:00:49,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:00:49,319 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:00:49,340 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-03 02:00:49,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:00:49 ImpRootNode [2023-12-03 02:00:49,348 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:00:49,349 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:00:49,349 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:00:49,349 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:00:49,350 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:00:48" (3/4) ... [2023-12-03 02:00:49,351 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:00:49,352 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:00:49,353 INFO L158 Benchmark]: Toolchain (without parser) took 2097.16ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 58.9MB in the beginning and 65.2MB in the end (delta: -6.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-12-03 02:00:49,354 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:00:49,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1050.69ms. Allocated memory is still 86.0MB. Free memory was 58.7MB in the beginning and 34.6MB in the end (delta: 24.0MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2023-12-03 02:00:49,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.48ms. Allocated memory is still 86.0MB. Free memory was 34.6MB in the beginning and 58.2MB in the end (delta: -23.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-12-03 02:00:49,356 INFO L158 Benchmark]: Boogie Preprocessor took 33.42ms. Allocated memory is still 86.0MB. Free memory was 57.8MB in the beginning and 56.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:00:49,356 INFO L158 Benchmark]: RCFGBuilder took 407.95ms. Allocated memory is still 86.0MB. Free memory was 56.1MB in the beginning and 39.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 02:00:49,357 INFO L158 Benchmark]: CodeCheck took 529.06ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 39.3MB in the beginning and 65.2MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:00:49,357 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 104.9MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:00:49,361 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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: 1554]: 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 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] 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}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] EXPR \read(data) [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, 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 60.8MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1050.69ms. Allocated memory is still 86.0MB. Free memory was 58.7MB in the beginning and 34.6MB in the end (delta: 24.0MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.48ms. Allocated memory is still 86.0MB. Free memory was 34.6MB in the beginning and 58.2MB in the end (delta: -23.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.42ms. Allocated memory is still 86.0MB. Free memory was 57.8MB in the beginning and 56.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 407.95ms. Allocated memory is still 86.0MB. Free memory was 56.1MB in the beginning and 39.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 529.06ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 39.3MB in the beginning and 65.2MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.30ms. Allocated memory is still 104.9MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~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 02:00:49,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a32e7a03-5219-4855-a0d6-175264718df5/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