./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_09_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/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_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/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_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/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 e644c68a4a45ec81275e1eb3bb8d44b202dc064f6a667f19607a2f616db0a488 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:46:11,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:46:11,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:46:11,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:46:11,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:46:11,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:46:11,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:46:11,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:46:11,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:46:11,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:46:11,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:46:11,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:46:11,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:46:11,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:46:11,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:46:11,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:46:11,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:46:11,700 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:46:11,700 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:46:11,703 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:46:11,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:46:11,707 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:46:11,707 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:46:11,708 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:46:11,708 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:46:11,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:46:11,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:11,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:46:11,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:46:11,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:46:11,710 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:46:11,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:46:11,711 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_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e644c68a4a45ec81275e1eb3bb8d44b202dc064f6a667f19607a2f616db0a488 [2024-11-08 22:46:12,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:46:12,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:46:12,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:46:12,049 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:46:12,050 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:46:12,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_09_bad.i Unable to find full path for "g++" [2024-11-08 22:46:14,125 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:46:14,457 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:46:14,458 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_09_bad.i [2024-11-08 22:46:14,489 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/data/0e7d8a646/f6fd77ff0f9a4a87b59fa6bac923d909/FLAG014313d94 [2024-11-08 22:46:14,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/data/0e7d8a646/f6fd77ff0f9a4a87b59fa6bac923d909 [2024-11-08 22:46:14,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:46:14,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:46:14,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:14,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:46:14,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:46:14,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:14" (1/1) ... [2024-11-08 22:46:14,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54474488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:14, skipping insertion in model container [2024-11-08 22:46:14,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:14" (1/1) ... [2024-11-08 22:46:14,785 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:46:16,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:16,047 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:46:16,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:16,307 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:46:16,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:16 WrapperNode [2024-11-08 22:46:16,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:16,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:16,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:46:16,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:46:16,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:16" (1/1) ... [2024-11-08 22:46:16,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:16" (1/1) ... [2024-11-08 22:46:16,372 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-08 22:46:16,373 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:16,373 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:46:16,374 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:46:16,374 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:46:16,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:16" (1/1) ... [2024-11-08 22:46:16,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:16" (1/1) ... [2024-11-08 22:46:16,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:16" (1/1) ... [2024-11-08 22:46:16,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:16" (1/1) ... [2024-11-08 22:46:16,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:16" (1/1) ... [2024-11-08 22:46:16,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:16" (1/1) ... [2024-11-08 22:46:16,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:16" (1/1) ... [2024-11-08 22:46:16,396 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:16" (1/1) ... [2024-11-08 22:46:16,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:46:16,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:46:16,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:46:16,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:46:16,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:16" (1/1) ... [2024-11-08 22:46:16,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:16,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:46:16,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:46:16,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:46:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:46:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:46:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:46:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:46:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:46:16,651 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:46:16,654 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:46:16,786 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 22:46:16,786 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:46:16,836 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:46:16,836 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:46:16,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:16 BoogieIcfgContainer [2024-11-08 22:46:16,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:46:16,838 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:46:16,838 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:46:16,846 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:46:16,846 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:16" (1/1) ... [2024-11-08 22:46:16,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:46:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:16,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:46:16,926 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:46:16,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:46:16,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:16,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:46:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:17,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:46:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:17,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:46:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:17,239 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:46:17,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:46:17 ImpRootNode [2024-11-08 22:46:17,273 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:46:17,275 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:46:17,277 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:46:17,278 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:46:17,279 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:16" (3/4) ... [2024-11-08 22:46:17,281 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:46:17,283 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:46:17,285 INFO L158 Benchmark]: Toolchain (without parser) took 2573.50ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 88.4MB in the beginning and 120.3MB in the end (delta: -31.9MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-11-08 22:46:17,286 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 140.5MB. Free memory was 103.6MB in the beginning and 103.6MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:17,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1592.06ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 88.2MB in the beginning and 94.9MB in the end (delta: -6.7MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-11-08 22:46:17,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.40ms. Allocated memory is still 176.2MB. Free memory was 94.9MB in the beginning and 92.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:46:17,290 INFO L158 Benchmark]: Boogie Preprocessor took 25.07ms. Allocated memory is still 176.2MB. Free memory was 92.2MB in the beginning and 90.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:46:17,291 INFO L158 Benchmark]: RCFGBuilder took 437.82ms. Allocated memory is still 176.2MB. Free memory was 90.7MB in the beginning and 136.0MB in the end (delta: -45.4MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-11-08 22:46:17,291 INFO L158 Benchmark]: CodeCheck took 435.70ms. Allocated memory is still 176.2MB. Free memory was 136.0MB in the beginning and 121.3MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:46:17,292 INFO L158 Benchmark]: Witness Printer took 9.03ms. Allocated memory is still 176.2MB. Free memory was 121.3MB in the beginning and 120.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:17,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_postdec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [L1559] data-- 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 0.37ms. Allocated memory is still 140.5MB. Free memory was 103.6MB in the beginning and 103.6MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1592.06ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 88.2MB in the beginning and 94.9MB in the end (delta: -6.7MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.40ms. Allocated memory is still 176.2MB. Free memory was 94.9MB in the beginning and 92.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.07ms. Allocated memory is still 176.2MB. Free memory was 92.2MB in the beginning and 90.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 437.82ms. Allocated memory is still 176.2MB. Free memory was 90.7MB in the beginning and 136.0MB in the end (delta: -45.4MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * CodeCheck took 435.70ms. Allocated memory is still 176.2MB. Free memory was 136.0MB in the beginning and 121.3MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 9.03ms. Allocated memory is still 176.2MB. Free memory was 121.3MB in the beginning and 120.3MB in the end (delta: 1.0MB). 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 22:46:17,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/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_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/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_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/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 e644c68a4a45ec81275e1eb3bb8d44b202dc064f6a667f19607a2f616db0a488 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:46:19,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:46:19,856 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:46:19,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:46:19,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:46:19,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:46:19,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:46:19,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:46:19,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:46:19,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:46:19,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:46:19,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:46:19,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:46:19,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:46:19,910 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:46:19,910 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:46:19,913 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:46:19,913 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:46:19,914 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:46:19,917 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:46:19,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:46:19,918 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:46:19,919 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:46:19,919 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:46:19,919 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:46:19,919 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:19,920 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:46:19,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:46:19,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:19,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:46:19,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:46:19,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:46:19,924 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:46:19,924 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:19,924 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:46:19,925 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_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e644c68a4a45ec81275e1eb3bb8d44b202dc064f6a667f19607a2f616db0a488 [2024-11-08 22:46:20,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:46:20,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:46:20,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:46:20,402 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:46:20,403 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:46:20,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_09_bad.i Unable to find full path for "g++" [2024-11-08 22:46:22,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:46:23,090 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:46:23,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_09_bad.i [2024-11-08 22:46:23,128 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/data/9f4407437/be0f0201a6b04009bdd8093ac81947b8/FLAG72b48241d [2024-11-08 22:46:23,149 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/data/9f4407437/be0f0201a6b04009bdd8093ac81947b8 [2024-11-08 22:46:23,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:46:23,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:46:23,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:23,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:46:23,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:46:23,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:23" (1/1) ... [2024-11-08 22:46:23,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b39c345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:23, skipping insertion in model container [2024-11-08 22:46:23,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:23" (1/1) ... [2024-11-08 22:46:23,237 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:46:24,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:24,310 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:46:24,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:24,645 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:46:24,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:24 WrapperNode [2024-11-08 22:46:24,646 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:24,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:24,650 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:46:24,650 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:46:24,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:24" (1/1) ... [2024-11-08 22:46:24,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:24" (1/1) ... [2024-11-08 22:46:24,742 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-08 22:46:24,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:24,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:46:24,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:46:24,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:46:24,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:24" (1/1) ... [2024-11-08 22:46:24,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:24" (1/1) ... [2024-11-08 22:46:24,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:24" (1/1) ... [2024-11-08 22:46:24,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:24" (1/1) ... [2024-11-08 22:46:24,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:24" (1/1) ... [2024-11-08 22:46:24,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:24" (1/1) ... [2024-11-08 22:46:24,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:24" (1/1) ... [2024-11-08 22:46:24,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:24" (1/1) ... [2024-11-08 22:46:24,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:46:24,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:46:24,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:46:24,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:46:24,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:24" (1/1) ... [2024-11-08 22:46:24,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:24,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:46:24,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:46:24,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:46:24,881 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:46:24,882 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:46:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:46:24,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:46:24,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:46:25,090 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:46:25,093 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:46:25,238 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 22:46:25,238 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:46:25,311 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:46:25,315 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:46:25,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:25 BoogieIcfgContainer [2024-11-08 22:46:25,316 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:46:25,317 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:46:25,317 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:46:25,332 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:46:25,332 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:25" (1/1) ... [2024-11-08 22:46:25,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:46:25,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:25,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:46:25,389 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:46:25,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:46:25,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:25,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:25,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:25,397 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:25,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:46:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:25,601 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:46:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:25,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:46:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:25,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:46:25,788 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:46:25,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:46:25 ImpRootNode [2024-11-08 22:46:25,826 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:46:25,827 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:46:25,827 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:46:25,830 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:46:25,831 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:25" (3/4) ... [2024-11-08 22:46:25,835 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:46:25,836 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:46:25,837 INFO L158 Benchmark]: Toolchain (without parser) took 2682.40ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 52.5MB in the beginning and 59.5MB in the end (delta: -7.0MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-11-08 22:46:25,838 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory was 53.4MB in the beginning and 53.3MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:25,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1490.77ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 52.3MB in the beginning and 39.5MB in the end (delta: 12.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-08 22:46:25,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.76ms. Allocated memory is still 94.4MB. Free memory was 39.5MB in the beginning and 64.9MB in the end (delta: -25.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-11-08 22:46:25,841 INFO L158 Benchmark]: Boogie Preprocessor took 50.71ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 62.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:46:25,842 INFO L158 Benchmark]: RCFGBuilder took 520.89ms. Allocated memory is still 94.4MB. Free memory was 62.8MB in the beginning and 46.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:46:25,844 INFO L158 Benchmark]: CodeCheck took 509.75ms. Allocated memory is still 94.4MB. Free memory was 46.5MB in the beginning and 60.0MB in the end (delta: -13.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:25,844 INFO L158 Benchmark]: Witness Printer took 9.07ms. Allocated memory is still 94.4MB. Free memory was 60.0MB in the beginning and 59.5MB in the end (delta: 518.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:25,851 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_postdec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [L1559] data-- 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 0.34ms. Allocated memory is still 77.6MB. Free memory was 53.4MB in the beginning and 53.3MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1490.77ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 52.3MB in the beginning and 39.5MB in the end (delta: 12.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.76ms. Allocated memory is still 94.4MB. Free memory was 39.5MB in the beginning and 64.9MB in the end (delta: -25.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.71ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 62.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 520.89ms. Allocated memory is still 94.4MB. Free memory was 62.8MB in the beginning and 46.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 509.75ms. Allocated memory is still 94.4MB. Free memory was 46.5MB in the beginning and 60.0MB in the end (delta: -13.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.07ms. Allocated memory is still 94.4MB. Free memory was 60.0MB in the beginning and 59.5MB in the end (delta: 518.3kB). 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 22:46:25,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bae11fe-11eb-4ec4-a3dc-60ffa4893ba2/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample