./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_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_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/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_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/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_3f1656ff-8b05-432f-8ce7-45d6557c267a/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 95bf25103b8a3ee1eeeb7b57c27c8e3c8cc7a1d38e649ee487b7d82d3b8289b6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:48:16,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:48:16,736 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:48:16,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:48:16,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:48:16,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:48:16,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:48:16,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:48:16,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:48:16,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:48:16,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:48:16,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:48:16,768 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:48:16,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:48:16,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:48:16,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:48:16,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:48:16,770 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:48:16,771 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:48:16,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:48:16,772 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:48:16,776 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:48:16,776 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:48:16,777 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:48:16,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:48:16,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:48:16,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:48:16,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:48:16,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:48:16,779 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:48:16,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:48:16,780 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:48:16,780 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_3f1656ff-8b05-432f-8ce7-45d6557c267a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95bf25103b8a3ee1eeeb7b57c27c8e3c8cc7a1d38e649ee487b7d82d3b8289b6 [2023-12-02 21:48:17,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:48:17,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:48:17,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:48:17,033 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:48:17,033 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:48:17,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_bad.i [2023-12-02 21:48:19,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:48:20,133 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:48:20,133 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_bad.i [2023-12-02 21:48:20,156 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/data/4b2db3fea/3ebec304679440cbb6306937e5581e1d/FLAG41792e1ba [2023-12-02 21:48:20,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/data/4b2db3fea/3ebec304679440cbb6306937e5581e1d [2023-12-02 21:48:20,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:48:20,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:48:20,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:48:20,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:48:20,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:48:20,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:48:20" (1/1) ... [2023-12-02 21:48:20,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cbee6aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:20, skipping insertion in model container [2023-12-02 21:48:20,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:48:20" (1/1) ... [2023-12-02 21:48:20,242 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:48:21,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:48:21,013 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:48:21,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:48:21,195 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:48:21,195 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:48:21,195 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:48:21,196 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:48:21,201 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:48:21,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:21 WrapperNode [2023-12-02 21:48:21,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:48:21,203 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:48:21,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:48:21,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:48:21,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:21" (1/1) ... [2023-12-02 21:48:21,234 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:21" (1/1) ... [2023-12-02 21:48:21,257 INFO L138 Inliner]: procedures = 498, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2023-12-02 21:48:21,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:48:21,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:48:21,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:48:21,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:48:21,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:21" (1/1) ... [2023-12-02 21:48:21,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:21" (1/1) ... [2023-12-02 21:48:21,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:21" (1/1) ... [2023-12-02 21:48:21,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:21" (1/1) ... [2023-12-02 21:48:21,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:21" (1/1) ... [2023-12-02 21:48:21,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:21" (1/1) ... [2023-12-02 21:48:21,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:21" (1/1) ... [2023-12-02 21:48:21,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:21" (1/1) ... [2023-12-02 21:48:21,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:48:21,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:48:21,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:48:21,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:48:21,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:21" (1/1) ... [2023-12-02 21:48:21,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:48:21,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:48:21,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:48:21,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:48:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:48:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:48:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:48:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:48:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:48:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:48:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:48:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:48:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:48:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:48:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:48:21,485 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:48:21,487 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:48:21,592 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:48:21,641 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:48:21,641 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:48:21,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:48:21 BoogieIcfgContainer [2023-12-02 21:48:21,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:48:21,644 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:48:21,644 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:48:21,652 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:48:21,652 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:48:21" (1/1) ... [2023-12-02 21:48:21,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:48:21,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:21,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 21:48:21,705 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 21:48:21,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:48:21,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:21,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:48:21,847 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:48:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:48:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:48:21,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:48:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:48:21,984 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:48:22,003 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-02 21:48:22,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-02 21:48:22,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-02 21:48:22,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:48:22 ImpRootNode [2023-12-02 21:48:22,010 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:48:22,010 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:48:22,010 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:48:22,010 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:48:22,011 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:48:21" (3/4) ... [2023-12-02 21:48:22,013 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:48:22,014 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:48:22,015 INFO L158 Benchmark]: Toolchain (without parser) took 1839.40ms. Allocated memory is still 155.2MB. Free memory was 111.9MB in the beginning and 109.4MB in the end (delta: 2.5MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2023-12-02 21:48:22,015 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:48:22,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1025.94ms. Allocated memory is still 155.2MB. Free memory was 111.5MB in the beginning and 87.8MB in the end (delta: 23.7MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2023-12-02 21:48:22,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.77ms. Allocated memory is still 155.2MB. Free memory was 87.8MB in the beginning and 84.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:48:22,017 INFO L158 Benchmark]: Boogie Preprocessor took 26.03ms. Allocated memory is still 155.2MB. Free memory was 84.4MB in the beginning and 83.6MB in the end (delta: 804.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:48:22,017 INFO L158 Benchmark]: RCFGBuilder took 358.21ms. Allocated memory is still 155.2MB. Free memory was 83.6MB in the beginning and 68.5MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:48:22,018 INFO L158 Benchmark]: CodeCheck took 365.65ms. Allocated memory is still 155.2MB. Free memory was 68.5MB in the beginning and 110.4MB in the end (delta: -41.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:48:22,018 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 155.2MB. Free memory was 110.4MB in the beginning and 109.4MB in the end (delta: 969.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:48:22,022 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: 1559]: 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 1567. 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); [L1567] 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) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={13:18}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1556] COND TRUE globalFive==5 [L1559] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5855:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5855:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1025.94ms. Allocated memory is still 155.2MB. Free memory was 111.5MB in the beginning and 87.8MB in the end (delta: 23.7MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.77ms. Allocated memory is still 155.2MB. Free memory was 87.8MB in the beginning and 84.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.03ms. Allocated memory is still 155.2MB. Free memory was 84.4MB in the beginning and 83.6MB in the end (delta: 804.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 358.21ms. Allocated memory is still 155.2MB. Free memory was 83.6MB in the beginning and 68.5MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 365.65ms. Allocated memory is still 155.2MB. Free memory was 68.5MB in the beginning and 110.4MB in the end (delta: -41.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 155.2MB. Free memory was 110.4MB in the beginning and 109.4MB in the end (delta: 969.2kB). 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~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 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 [2023-12-02 21:48:22,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/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_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/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_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/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_3f1656ff-8b05-432f-8ce7-45d6557c267a/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 95bf25103b8a3ee1eeeb7b57c27c8e3c8cc7a1d38e649ee487b7d82d3b8289b6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:48:23,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:48:23,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:48:24,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:48:24,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:48:24,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:48:24,004 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:48:24,005 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:48:24,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:48:24,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:48:24,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:48:24,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:48:24,007 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:48:24,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:48:24,008 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:48:24,009 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:48:24,009 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:48:24,010 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:48:24,010 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:48:24,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:48:24,011 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:48:24,012 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:48:24,013 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:48:24,013 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:48:24,014 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:48:24,014 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:48:24,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:48:24,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:48:24,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:48:24,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:48:24,016 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:48:24,017 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:48:24,017 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:48:24,017 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:48:24,018 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:48:24,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:48:24,018 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_3f1656ff-8b05-432f-8ce7-45d6557c267a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95bf25103b8a3ee1eeeb7b57c27c8e3c8cc7a1d38e649ee487b7d82d3b8289b6 [2023-12-02 21:48:24,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:48:24,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:48:24,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:48:24,327 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:48:24,328 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:48:24,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_bad.i [2023-12-02 21:48:27,122 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:48:27,440 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:48:27,440 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_bad.i [2023-12-02 21:48:27,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/data/b845a569d/5cb0a38a33aa4e7fb14d16e6072f955b/FLAGdda28bdc9 [2023-12-02 21:48:27,480 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/data/b845a569d/5cb0a38a33aa4e7fb14d16e6072f955b [2023-12-02 21:48:27,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:48:27,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:48:27,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:48:27,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:48:27,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:48:27,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:48:27" (1/1) ... [2023-12-02 21:48:27,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@383227e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:27, skipping insertion in model container [2023-12-02 21:48:27,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:48:27" (1/1) ... [2023-12-02 21:48:27,548 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:48:28,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:48:28,283 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:48:28,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:48:28,505 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:48:28,505 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:48:28,505 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:48:28,505 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:48:28,511 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:48:28,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:28 WrapperNode [2023-12-02 21:48:28,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:48:28,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:48:28,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:48:28,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:48:28,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:28" (1/1) ... [2023-12-02 21:48:28,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:28" (1/1) ... [2023-12-02 21:48:28,578 INFO L138 Inliner]: procedures = 503, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2023-12-02 21:48:28,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:48:28,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:48:28,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:48:28,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:48:28,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:28" (1/1) ... [2023-12-02 21:48:28,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:28" (1/1) ... [2023-12-02 21:48:28,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:28" (1/1) ... [2023-12-02 21:48:28,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:28" (1/1) ... [2023-12-02 21:48:28,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:28" (1/1) ... [2023-12-02 21:48:28,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:28" (1/1) ... [2023-12-02 21:48:28,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:28" (1/1) ... [2023-12-02 21:48:28,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:28" (1/1) ... [2023-12-02 21:48:28,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:48:28,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:48:28,618 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:48:28,618 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:48:28,619 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:28" (1/1) ... [2023-12-02 21:48:28,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:48:28,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:48:28,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:48:28,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:48:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:48:28,690 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:48:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:48:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:48:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:48:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:48:28,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:48:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:48:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:48:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:48:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:48:28,845 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:48:28,847 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:48:28,975 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:48:29,026 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:48:29,026 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:48:29,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:48:29 BoogieIcfgContainer [2023-12-02 21:48:29,028 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:48:29,029 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:48:29,029 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:48:29,039 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:48:29,039 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:48:29" (1/1) ... [2023-12-02 21:48:29,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:48:29,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:29,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 21:48:29,104 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 21:48:29,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:48:29,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:29,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:48:29,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:48:29,110 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:48:29,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:48:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:48:29,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:48:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:48:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:48:29,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:48:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:48:29,580 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:48:29,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:48:29,598 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:48:29,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 21:48:29,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-12-02 21:48:29,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-12-02 21:48:29,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:48:29 ImpRootNode [2023-12-02 21:48:29,628 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:48:29,629 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:48:29,629 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:48:29,629 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:48:29,630 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:48:29" (3/4) ... [2023-12-02 21:48:29,631 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:48:29,632 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:48:29,633 INFO L158 Benchmark]: Toolchain (without parser) took 2149.37ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 52.7MB in the beginning and 82.2MB in the end (delta: -29.5MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-12-02 21:48:29,634 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 55.6MB in the end (delta: 20.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:48:29,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1026.60ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 52.6MB in the beginning and 58.1MB in the end (delta: -5.5MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-12-02 21:48:29,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.39ms. Allocated memory is still 113.2MB. Free memory was 58.1MB in the beginning and 85.1MB in the end (delta: -27.0MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-12-02 21:48:29,636 INFO L158 Benchmark]: Boogie Preprocessor took 37.49ms. Allocated memory is still 113.2MB. Free memory was 85.1MB in the beginning and 83.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:48:29,637 INFO L158 Benchmark]: RCFGBuilder took 411.18ms. Allocated memory is still 113.2MB. Free memory was 83.0MB in the beginning and 65.6MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:48:29,637 INFO L158 Benchmark]: CodeCheck took 599.01ms. Allocated memory is still 113.2MB. Free memory was 65.6MB in the beginning and 82.2MB in the end (delta: -16.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 21:48:29,638 INFO L158 Benchmark]: Witness Printer took 3.73ms. Allocated memory is still 113.2MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:48:29,641 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, 0.1s 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: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1556] COND TRUE globalFive==5 [L1559] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 55.6MB in the end (delta: 20.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1026.60ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 52.6MB in the beginning and 58.1MB in the end (delta: -5.5MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.39ms. Allocated memory is still 113.2MB. Free memory was 58.1MB in the beginning and 85.1MB in the end (delta: -27.0MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.49ms. Allocated memory is still 113.2MB. Free memory was 85.1MB in the beginning and 83.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 411.18ms. Allocated memory is still 113.2MB. Free memory was 83.0MB in the beginning and 65.6MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 599.01ms. Allocated memory is still 113.2MB. Free memory was 65.6MB in the beginning and 82.2MB in the end (delta: -16.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 3.73ms. Allocated memory is still 113.2MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 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 [2023-12-02 21:48:29,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f1656ff-8b05-432f-8ce7-45d6557c267a/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample