./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk --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 84abbeab2c929e6ff1f3df3929c646a9a8cef266072a2d77da11e86bd9528e00 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:13:58,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:13:58,217 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:13:58,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:13:58,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:13:58,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:13:58,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:13:58,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:13:58,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:13:58,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:13:58,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:13:58,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:13:58,263 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:13:58,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:13:58,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:13:58,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:13:58,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:13:58,268 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:13:58,268 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:13:58,268 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:13:58,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:13:58,273 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:13:58,274 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:13:58,274 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:13:58,274 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:13:58,275 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:13:58,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:13:58,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:13:58,276 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:13:58,276 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:13:58,278 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:13:58,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:13:58,278 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_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84abbeab2c929e6ff1f3df3929c646a9a8cef266072a2d77da11e86bd9528e00 [2024-11-08 23:13:58,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:13:58,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:13:58,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:13:58,607 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:13:58,607 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:13:58,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i Unable to find full path for "g++" [2024-11-08 23:14:00,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:14:00,994 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:14:00,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i [2024-11-08 23:14:01,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/data/536918e08/06c22046d9424a14b04d043d7ae388dd/FLAG176ff379e [2024-11-08 23:14:01,183 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/data/536918e08/06c22046d9424a14b04d043d7ae388dd [2024-11-08 23:14:01,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:14:01,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:14:01,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:14:01,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:14:01,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:14:01,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:14:01" (1/1) ... [2024-11-08 23:14:01,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@594f14a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:01, skipping insertion in model container [2024-11-08 23:14:01,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:14:01" (1/1) ... [2024-11-08 23:14:01,265 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:14:02,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:14:02,394 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:14:02,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:14:02,745 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:14:02,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:02 WrapperNode [2024-11-08 23:14:02,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:14:02,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:14:02,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:14:02,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:14:02,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:02" (1/1) ... [2024-11-08 23:14:02,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:02" (1/1) ... [2024-11-08 23:14:02,827 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2024-11-08 23:14:02,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:14:02,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:14:02,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:14:02,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:14:02,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:02" (1/1) ... [2024-11-08 23:14:02,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:02" (1/1) ... [2024-11-08 23:14:02,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:02" (1/1) ... [2024-11-08 23:14:02,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:02" (1/1) ... [2024-11-08 23:14:02,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:02" (1/1) ... [2024-11-08 23:14:02,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:02" (1/1) ... [2024-11-08 23:14:02,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:02" (1/1) ... [2024-11-08 23:14:02,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:02" (1/1) ... [2024-11-08 23:14:02,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:14:02,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:14:02,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:14:02,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:14:02,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:02" (1/1) ... [2024-11-08 23:14:02,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:14:02,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:14:02,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:14:02,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:14:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:14:02,939 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:14:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:14:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:14:02,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:14:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:14:03,101 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:14:03,103 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:14:03,251 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 23:14:03,252 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:14:03,308 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:14:03,308 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:14:03,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:03 BoogieIcfgContainer [2024-11-08 23:14:03,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:14:03,310 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:14:03,310 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:14:03,320 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:14:03,321 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:03" (1/1) ... [2024-11-08 23:14:03,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:14:03,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:03,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-08 23:14:03,391 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-08 23:14:03,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:14:03,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:03,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:14:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:14:03,590 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:14:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:14:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:14:03,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:14:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:14:03,767 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:14:03,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:14:03 ImpRootNode [2024-11-08 23:14:03,799 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:14:03,799 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:14:03,800 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:14:03,800 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:14:03,800 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:03" (3/4) ... [2024-11-08 23:14:03,805 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:14:03,807 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:14:03,808 INFO L158 Benchmark]: Toolchain (without parser) took 2619.88ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 85.2MB in the end (delta: 38.1MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2024-11-08 23:14:03,809 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory was 82.6MB in the beginning and 82.5MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:14:03,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1556.89ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 125.9MB in the end (delta: -2.6MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2024-11-08 23:14:03,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.90ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 123.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:14:03,812 INFO L158 Benchmark]: Boogie Preprocessor took 39.26ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 121.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:14:03,813 INFO L158 Benchmark]: RCFGBuilder took 438.87ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 107.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:14:03,813 INFO L158 Benchmark]: CodeCheck took 489.23ms. Allocated memory is still 167.8MB. Free memory was 107.1MB in the beginning and 86.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 23:14:03,814 INFO L158 Benchmark]: Witness Printer took 7.61ms. Allocated memory is still 167.8MB. Free memory was 86.1MB in the beginning and 85.2MB in the end (delta: 869.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:14:03,822 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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 - UnprovableResult [Line: 1586]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1573, overapproximation of fgets at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE191_Integer_Underflow__int_fgets_multiply_68_badData; [L1550] int CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData; [L1573] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=0, CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData=0, 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) [L1573] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=0, CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] CALL CWE191_Integer_Underflow__int_fgets_multiply_68_bad() [L1554] int data; [L1555] data = 0 [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=0, CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData=0, 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] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] CWE191_Integer_Underflow__int_fgets_multiply_68_badData = data [L1568] CALL CWE191_Integer_Underflow__int_fgets_multiply_68b_badSink() [L1583] int data = CWE191_Integer_Underflow__int_fgets_multiply_68_badData; VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-1073741825, CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData=0, 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] [L1584] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-1073741825, CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData=0, 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] [L1586] data * 2 VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-1073741825, CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData=0, 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 0.31ms. Allocated memory is still 113.2MB. Free memory was 82.6MB in the beginning and 82.5MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1556.89ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 125.9MB in the end (delta: -2.6MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.90ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 123.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.26ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 121.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 438.87ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 107.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 489.23ms. Allocated memory is still 167.8MB. Free memory was 107.1MB in the beginning and 86.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 7.61ms. Allocated memory is still 167.8MB. Free memory was 86.1MB in the beginning and 85.2MB in the end (delta: 869.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:14:03,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/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_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk --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 84abbeab2c929e6ff1f3df3929c646a9a8cef266072a2d77da11e86bd9528e00 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:14:06,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:14:06,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:14:06,457 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:14:06,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:14:06,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:14:06,459 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:14:06,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:14:06,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:14:06,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:14:06,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:14:06,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:14:06,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:14:06,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:14:06,466 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:14:06,466 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:14:06,466 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:14:06,467 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:14:06,467 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:14:06,468 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:14:06,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:14:06,472 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:14:06,473 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:14:06,473 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:14:06,474 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:14:06,474 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:06,475 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:14:06,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:14:06,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:14:06,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:14:06,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:14:06,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:14:06,477 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:14:06,477 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:06,477 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:14:06,478 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_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84abbeab2c929e6ff1f3df3929c646a9a8cef266072a2d77da11e86bd9528e00 [2024-11-08 23:14:06,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:14:06,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:14:06,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:14:06,901 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:14:06,902 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:14:06,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i Unable to find full path for "g++" [2024-11-08 23:14:09,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:14:09,522 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:14:09,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i [2024-11-08 23:14:09,558 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/data/230184c0b/7f14b21e00d74295a32e0d9223b57953/FLAG319e26138 [2024-11-08 23:14:09,577 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/data/230184c0b/7f14b21e00d74295a32e0d9223b57953 [2024-11-08 23:14:09,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:14:09,583 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:14:09,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:14:09,587 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:14:09,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:14:09,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:14:09" (1/1) ... [2024-11-08 23:14:09,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1133c2c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:09, skipping insertion in model container [2024-11-08 23:14:09,596 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:14:09" (1/1) ... [2024-11-08 23:14:09,670 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:14:10,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:14:10,794 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:14:10,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:14:11,038 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:14:11,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:11 WrapperNode [2024-11-08 23:14:11,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:14:11,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:14:11,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:14:11,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:14:11,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:11" (1/1) ... [2024-11-08 23:14:11,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:11" (1/1) ... [2024-11-08 23:14:11,114 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 69 [2024-11-08 23:14:11,115 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:14:11,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:14:11,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:14:11,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:14:11,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:11" (1/1) ... [2024-11-08 23:14:11,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:11" (1/1) ... [2024-11-08 23:14:11,134 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:11" (1/1) ... [2024-11-08 23:14:11,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:11" (1/1) ... [2024-11-08 23:14:11,151 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:11" (1/1) ... [2024-11-08 23:14:11,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:11" (1/1) ... [2024-11-08 23:14:11,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:11" (1/1) ... [2024-11-08 23:14:11,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:11" (1/1) ... [2024-11-08 23:14:11,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:14:11,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:14:11,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:14:11,176 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:14:11,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:11" (1/1) ... [2024-11-08 23:14:11,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:14:11,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:14:11,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:14:11,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:14:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:14:11,268 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:14:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:14:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:14:11,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:14:11,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:14:11,444 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:14:11,446 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:14:11,596 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 23:14:11,597 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:14:11,647 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:14:11,648 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:14:11,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:11 BoogieIcfgContainer [2024-11-08 23:14:11,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:14:11,649 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:14:11,649 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:14:11,660 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:14:11,660 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:11" (1/1) ... [2024-11-08 23:14:11,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:14:11,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:11,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-08 23:14:11,724 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-08 23:14:11,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:14:11,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:11,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:11,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:11,733 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:11,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:14:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:14:11,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:14:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:14:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:14:12,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:14:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:14:12,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:14:12,190 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:14:12,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:14:12 ImpRootNode [2024-11-08 23:14:12,225 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:14:12,227 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:14:12,227 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:14:12,227 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:14:12,228 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:11" (3/4) ... [2024-11-08 23:14:12,231 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:14:12,232 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:14:12,233 INFO L158 Benchmark]: Toolchain (without parser) took 2650.12ms. Allocated memory was 81.8MB in the beginning and 117.4MB in the end (delta: 35.7MB). Free memory was 54.7MB in the beginning and 53.1MB in the end (delta: 1.6MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-11-08 23:14:12,233 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory was 57.8MB in the beginning and 57.6MB in the end (delta: 141.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:14:12,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1453.67ms. Allocated memory was 81.8MB in the beginning and 117.4MB in the end (delta: 35.7MB). Free memory was 54.4MB in the beginning and 65.0MB in the end (delta: -10.6MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-08 23:14:12,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.16ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 61.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:14:12,236 INFO L158 Benchmark]: Boogie Preprocessor took 58.61ms. Allocated memory is still 117.4MB. Free memory was 61.9MB in the beginning and 59.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:14:12,237 INFO L158 Benchmark]: RCFGBuilder took 472.62ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 74.0MB in the end (delta: -14.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-11-08 23:14:12,238 INFO L158 Benchmark]: CodeCheck took 575.73ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 53.7MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 23:14:12,239 INFO L158 Benchmark]: Witness Printer took 5.32ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 53.1MB in the end (delta: 643.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:14:12,243 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, 18 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 - UnprovableResult [Line: 1586]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1573, overapproximation of fgets at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE191_Integer_Underflow__int_fgets_multiply_68_badData; [L1549] int CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData; [L1573] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=0, CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData=0, 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) [L1573] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=0, CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] CALL CWE191_Integer_Underflow__int_fgets_multiply_68_bad() [L1554] int data; [L1555] data = 0 [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=0, CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData=0, 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] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] CWE191_Integer_Underflow__int_fgets_multiply_68_badData = data [L1568] CALL CWE191_Integer_Underflow__int_fgets_multiply_68b_badSink() [L1583] int data = CWE191_Integer_Underflow__int_fgets_multiply_68_badData; VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData=0, 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] [L1584] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData=0, 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] [L1586] data * 2 VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_multiply_68_goodG2BData=0, 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 0.32ms. Allocated memory is still 81.8MB. Free memory was 57.8MB in the beginning and 57.6MB in the end (delta: 141.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1453.67ms. Allocated memory was 81.8MB in the beginning and 117.4MB in the end (delta: 35.7MB). Free memory was 54.4MB in the beginning and 65.0MB in the end (delta: -10.6MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.16ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 61.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.61ms. Allocated memory is still 117.4MB. Free memory was 61.9MB in the beginning and 59.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 472.62ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 74.0MB in the end (delta: -14.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * CodeCheck took 575.73ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 53.7MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 5.32ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 53.1MB in the end (delta: 643.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:14:12,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a439803-15c5-4007-bdff-5d2f46d49da1/bin/ukojak-verify-ImItNfHLgk/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