./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3 --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 afc1bd4fc34914887c296693ed71988d0af11205a8c6ccdc601bdcead6b103ab --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:30:10,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:30:11,026 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:30:11,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:30:11,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:30:11,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:30:11,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:30:11,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:30:11,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:30:11,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:30:11,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:30:11,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:30:11,074 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:30:11,074 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:30:11,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:30:11,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:30:11,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:30:11,075 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:30:11,077 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:30:11,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:30:11,077 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:30:11,077 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:30:11,078 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:30:11,078 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:30:11,078 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:30:11,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:30:11,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:30:11,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:30:11,079 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:30:11,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:30:11,079 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:30:11,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:30:11,079 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3 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 -> afc1bd4fc34914887c296693ed71988d0af11205a8c6ccdc601bdcead6b103ab [2024-11-25 03:30:11,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:30:11,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:30:11,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:30:11,407 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:30:11,408 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:30:11,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_42_bad.i [2024-11-25 03:30:14,302 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/data/d6b3893d4/8d262a832b694ff381efe025f89ea629/FLAGa08a5b79f [2024-11-25 03:30:14,699 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:30:14,700 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_42_bad.i [2024-11-25 03:30:14,722 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/data/d6b3893d4/8d262a832b694ff381efe025f89ea629/FLAGa08a5b79f [2024-11-25 03:30:14,746 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/data/d6b3893d4/8d262a832b694ff381efe025f89ea629 [2024-11-25 03:30:14,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:30:14,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:30:14,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:30:14,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:30:14,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:30:14,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:30:14" (1/1) ... [2024-11-25 03:30:14,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6ed4c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:14, skipping insertion in model container [2024-11-25 03:30:14,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:30:14" (1/1) ... [2024-11-25 03:30:14,831 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:30:15,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:30:15,834 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:30:15,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:30:16,149 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:30:16,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:16 WrapperNode [2024-11-25 03:30:16,149 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:30:16,150 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:30:16,151 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:30:16,151 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:30:16,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:16" (1/1) ... [2024-11-25 03:30:16,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:16" (1/1) ... [2024-11-25 03:30:16,203 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2024-11-25 03:30:16,204 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:30:16,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:30:16,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:30:16,205 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:30:16,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:16" (1/1) ... [2024-11-25 03:30:16,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:16" (1/1) ... [2024-11-25 03:30:16,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:16" (1/1) ... [2024-11-25 03:30:16,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:16" (1/1) ... [2024-11-25 03:30:16,221 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:16" (1/1) ... [2024-11-25 03:30:16,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:16" (1/1) ... [2024-11-25 03:30:16,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:16" (1/1) ... [2024-11-25 03:30:16,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:16" (1/1) ... [2024-11-25 03:30:16,227 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:16" (1/1) ... [2024-11-25 03:30:16,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:30:16,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:30:16,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:30:16,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:30:16,232 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:16" (1/1) ... [2024-11-25 03:30:16,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:30:16,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:30:16,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:30:16,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:30:16,291 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:30:16,291 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:30:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:30:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:30:16,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:30:16,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:30:16,456 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:30:16,458 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:30:16,603 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-25 03:30:16,603 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:30:16,666 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:30:16,666 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:30:16,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:16 BoogieIcfgContainer [2024-11-25 03:30:16,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:30:16,669 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:30:16,669 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:30:16,679 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:30:16,679 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:16" (1/1) ... [2024-11-25 03:30:16,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:30:16,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:16,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 03:30:16,755 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 03:30:16,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:30:16,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:16,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:30:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:16,900 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:30:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:16,994 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:30:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:17,026 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:30:17,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:30:17 ImpRootNode [2024-11-25 03:30:17,056 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:30:17,056 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:30:17,057 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:30:17,057 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:30:17,057 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:16" (3/4) ... [2024-11-25 03:30:17,060 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:30:17,061 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:30:17,062 INFO L158 Benchmark]: Toolchain (without parser) took 2311.72ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 44.3MB in the end (delta: 45.0MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2024-11-25 03:30:17,062 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 73.9MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:30:17,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1398.63ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 81.2MB in the end (delta: 8.1MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2024-11-25 03:30:17,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.44ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.5MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:30:17,063 INFO L158 Benchmark]: Boogie Preprocessor took 25.47ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 77.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:30:17,064 INFO L158 Benchmark]: RCFGBuilder took 437.88ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 63.4MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:30:17,064 INFO L158 Benchmark]: CodeCheck took 386.99ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 44.3MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:30:17,065 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 117.4MB. Free memory is still 44.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:30:17,067 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, 17 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, 9 NumberOfCodeBlocks, 9 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1554, overapproximation of fgets at line 1552. 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); [L1577] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1577] RET 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] [L1578] CALL CWE191_Integer_Underflow__int_fgets_multiply_42_bad() [L1565] int data; [L1566] data = 0 [L1567] CALL, EXPR badSource(data) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1554] data = atoi(inputBuffer) [L1561] return data; [L1567] RET, EXPR badSource(data) [L1567] data = badSource(data) [L1568] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.28ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 73.9MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1398.63ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 81.2MB in the end (delta: 8.1MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.44ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.5MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.47ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 77.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 437.88ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 63.4MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 386.99ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 44.3MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 117.4MB. Free memory is still 44.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:30:17,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3 --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 afc1bd4fc34914887c296693ed71988d0af11205a8c6ccdc601bdcead6b103ab --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:30:19,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:30:19,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:30:19,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:30:19,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:30:19,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:30:19,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:30:19,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:30:19,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:30:19,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:30:19,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:30:19,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:30:19,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:30:19,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:30:19,869 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:30:19,869 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:30:19,869 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:30:19,869 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:30:19,870 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:30:19,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:30:19,870 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:30:19,870 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:30:19,870 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:30:19,870 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:30:19,871 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:30:19,871 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:30:19,871 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:30:19,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:30:19,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:30:19,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:30:19,872 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:30:19,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:30:19,873 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:30:19,873 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:30:19,873 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:30:19,873 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3 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 -> afc1bd4fc34914887c296693ed71988d0af11205a8c6ccdc601bdcead6b103ab [2024-11-25 03:30:20,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:30:20,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:30:20,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:30:20,197 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:30:20,197 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:30:20,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_42_bad.i [2024-11-25 03:30:23,166 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/data/3fa05494a/3172c608e4b64b838f8352a9424e9170/FLAGdbb807b56 [2024-11-25 03:30:23,691 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:30:23,697 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_42_bad.i [2024-11-25 03:30:23,737 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/data/3fa05494a/3172c608e4b64b838f8352a9424e9170/FLAGdbb807b56 [2024-11-25 03:30:23,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/data/3fa05494a/3172c608e4b64b838f8352a9424e9170 [2024-11-25 03:30:23,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:30:23,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:30:23,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:30:23,770 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:30:23,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:30:23,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:30:23" (1/1) ... [2024-11-25 03:30:23,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@121b4fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:23, skipping insertion in model container [2024-11-25 03:30:23,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:30:23" (1/1) ... [2024-11-25 03:30:23,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:30:24,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:30:24,819 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:30:24,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:30:25,135 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:30:25,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:25 WrapperNode [2024-11-25 03:30:25,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:30:25,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:30:25,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:30:25,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:30:25,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:25" (1/1) ... [2024-11-25 03:30:25,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:25" (1/1) ... [2024-11-25 03:30:25,211 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2024-11-25 03:30:25,213 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:30:25,214 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:30:25,215 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:30:25,215 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:30:25,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:25" (1/1) ... [2024-11-25 03:30:25,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:25" (1/1) ... [2024-11-25 03:30:25,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:25" (1/1) ... [2024-11-25 03:30:25,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:25" (1/1) ... [2024-11-25 03:30:25,243 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:25" (1/1) ... [2024-11-25 03:30:25,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:25" (1/1) ... [2024-11-25 03:30:25,250 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:25" (1/1) ... [2024-11-25 03:30:25,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:25" (1/1) ... [2024-11-25 03:30:25,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:25" (1/1) ... [2024-11-25 03:30:25,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:30:25,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:30:25,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:30:25,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:30:25,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:30:25" (1/1) ... [2024-11-25 03:30:25,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:30:25,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:30:25,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:30:25,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:30:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:30:25,343 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:30:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:30:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:30:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:30:25,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:30:25,519 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:30:25,521 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:30:25,695 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-25 03:30:25,695 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:30:25,767 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:30:25,767 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:30:25,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:25 BoogieIcfgContainer [2024-11-25 03:30:25,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:30:25,771 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:30:25,771 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:30:25,781 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:30:25,781 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:25" (1/1) ... [2024-11-25 03:30:25,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:30:25,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:25,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 03:30:25,837 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 03:30:25,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:30:25,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:25,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:30:25,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:30:25,844 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:30:25,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:30:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:26,093 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:30:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:26,208 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:30:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:30:26,243 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 03:30:26,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:30:26,246 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:30:26,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:30:26 ImpRootNode [2024-11-25 03:30:26,273 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:30:26,274 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:30:26,274 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:30:26,274 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:30:26,275 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:30:25" (3/4) ... [2024-11-25 03:30:26,277 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:30:26,278 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:30:26,279 INFO L158 Benchmark]: Toolchain (without parser) took 2515.24ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 90.2MB in the beginning and 194.9MB in the end (delta: -104.7MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-25 03:30:26,280 INFO L158 Benchmark]: CDTParser took 3.64ms. Allocated memory is still 117.4MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:30:26,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1369.98ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 67.9MB in the end (delta: 22.1MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-25 03:30:26,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.76ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 64.9MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:30:26,281 INFO L158 Benchmark]: Boogie Preprocessor took 51.30ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 63.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:30:26,281 INFO L158 Benchmark]: RCFGBuilder took 504.07ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 46.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:30:26,282 INFO L158 Benchmark]: CodeCheck took 502.48ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 46.7MB in the beginning and 195.6MB in the end (delta: -148.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:30:26,282 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 234.9MB. Free memory was 194.9MB in the beginning and 194.9MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:30:26,284 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, 17 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, 9 NumberOfCodeBlocks, 9 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1554, overapproximation of fgets at line 1552. 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); [L1577] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1577] RET 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] [L1578] CALL CWE191_Integer_Underflow__int_fgets_multiply_42_bad() [L1565] int data; [L1566] data = 0 [L1567] CALL, EXPR badSource(data) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1554] data = atoi(inputBuffer) [L1561] return data; [L1567] RET, EXPR badSource(data) [L1567] data = badSource(data) [L1568] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 3.64ms. Allocated memory is still 117.4MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1369.98ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 67.9MB in the end (delta: 22.1MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.76ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 64.9MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.30ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 63.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 504.07ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 46.7MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 502.48ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 46.7MB in the beginning and 195.6MB in the end (delta: -148.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 234.9MB. Free memory was 194.9MB in the beginning and 194.9MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:30:26,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc929ebc-36bf-41a0-9384-b3cc0c9dba3e/bin/ukojak-verify-ENZ3QT5qd3/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