./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_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_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/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_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/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_109009de-bde8-4895-bd0a-9a94aa87c35e/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 dd53927551223037d87dfedf7e8f90f8740ee3e7629975b1d046fc1a64ec5564 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:45:53,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:45:53,246 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:45:53,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:45:53,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:45:53,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:45:53,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:45:53,297 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:45:53,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:45:53,299 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:45:53,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:45:53,300 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:45:53,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:45:53,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:45:53,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:45:53,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:45:53,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:45:53,302 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:45:53,306 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:45:53,306 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:45:53,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:45:53,308 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:45:53,311 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:45:53,311 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:45:53,312 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:45:53,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:45:53,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:45:53,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:45:53,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:45:53,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:45:53,313 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:45:53,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:45:53,316 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_109009de-bde8-4895-bd0a-9a94aa87c35e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd53927551223037d87dfedf7e8f90f8740ee3e7629975b1d046fc1a64ec5564 [2024-11-08 23:45:53,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:45:53,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:45:53,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:45:53,662 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:45:53,663 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:45:53,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_bad.i Unable to find full path for "g++" [2024-11-08 23:45:55,701 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:45:56,113 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:45:56,116 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_bad.i [2024-11-08 23:45:56,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/data/a3208f7ae/29ec4cfedb774bf5be82b4141d29ea78/FLAG802b6fff8 [2024-11-08 23:45:56,165 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/data/a3208f7ae/29ec4cfedb774bf5be82b4141d29ea78 [2024-11-08 23:45:56,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:45:56,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:45:56,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:45:56,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:45:56,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:45:56,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:45:56" (1/1) ... [2024-11-08 23:45:56,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@661ee347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:56, skipping insertion in model container [2024-11-08 23:45:56,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:45:56" (1/1) ... [2024-11-08 23:45:56,270 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:45:57,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:45:57,496 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:45:57,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:45:57,719 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:45:57,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:57 WrapperNode [2024-11-08 23:45:57,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:45:57,721 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:45:57,721 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:45:57,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:45:57,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:57" (1/1) ... [2024-11-08 23:45:57,749 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:57" (1/1) ... [2024-11-08 23:45:57,778 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-08 23:45:57,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:45:57,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:45:57,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:45:57,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:45:57,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:57" (1/1) ... [2024-11-08 23:45:57,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:57" (1/1) ... [2024-11-08 23:45:57,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:57" (1/1) ... [2024-11-08 23:45:57,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:57" (1/1) ... [2024-11-08 23:45:57,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:57" (1/1) ... [2024-11-08 23:45:57,799 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:57" (1/1) ... [2024-11-08 23:45:57,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:57" (1/1) ... [2024-11-08 23:45:57,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:57" (1/1) ... [2024-11-08 23:45:57,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:45:57,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:45:57,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:45:57,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:45:57,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:57" (1/1) ... [2024-11-08 23:45:57,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:45:57,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:45:57,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:45:57,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:45:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:45:57,923 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:45:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:45:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:45:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:45:58,074 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:45:58,076 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:45:58,180 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 23:45:58,180 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:45:58,234 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:45:58,234 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:45:58,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:58 BoogieIcfgContainer [2024-11-08 23:45:58,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:45:58,236 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:45:58,236 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:45:58,244 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:45:58,244 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:58" (1/1) ... [2024-11-08 23:45:58,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:45:58,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:58,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:45:58,308 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:45:58,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:45:58,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:58,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:45:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:45:58,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:45:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:45:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:45:58,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:45:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:45:58,595 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:45:58,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:45:58 ImpRootNode [2024-11-08 23:45:58,629 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:45:58,630 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:45:58,630 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:45:58,631 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:45:58,631 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:58" (3/4) ... [2024-11-08 23:45:58,634 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:45:58,635 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:45:58,636 INFO L158 Benchmark]: Toolchain (without parser) took 2466.18ms. Allocated memory is still 165.7MB. Free memory was 130.2MB in the beginning and 104.3MB in the end (delta: 25.9MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-11-08 23:45:58,637 INFO L158 Benchmark]: CDTParser took 14.18ms. Allocated memory was 100.7MB in the beginning and 165.7MB in the end (delta: 65.0MB). Free memory was 67.9MB in the beginning and 142.1MB in the end (delta: -74.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:45:58,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1549.27ms. Allocated memory is still 165.7MB. Free memory was 130.2MB in the beginning and 66.6MB in the end (delta: 63.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-08 23:45:58,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.06ms. Allocated memory is still 165.7MB. Free memory was 66.6MB in the beginning and 63.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:45:58,638 INFO L158 Benchmark]: Boogie Preprocessor took 24.58ms. Allocated memory is still 165.7MB. Free memory was 63.8MB in the beginning and 62.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:45:58,639 INFO L158 Benchmark]: RCFGBuilder took 430.24ms. Allocated memory is still 165.7MB. Free memory was 62.4MB in the beginning and 121.0MB in the end (delta: -58.7MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-11-08 23:45:58,640 INFO L158 Benchmark]: CodeCheck took 393.98ms. Allocated memory is still 165.7MB. Free memory was 121.0MB in the beginning and 104.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:45:58,640 INFO L158 Benchmark]: Witness Printer took 5.00ms. Allocated memory is still 165.7MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:45:58,644 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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: 1575]: 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 1563. 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_fscanf_sub_68_badData; [L1549] int CWE191_Integer_Underflow__int_fscanf_sub_68_goodG2BData; [L1550] int CWE191_Integer_Underflow__int_fscanf_sub_68_goodB2GData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_68_badData=0, CWE191_Integer_Underflow__int_fscanf_sub_68_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_68_goodG2BData=0, 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) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_68_badData=0, CWE191_Integer_Underflow__int_fscanf_sub_68_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_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] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_sub_68_bad() [L1554] int data; [L1555] data = 0 [L1557] CWE191_Integer_Underflow__int_fscanf_sub_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_fscanf_sub_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_fscanf_sub_68_badData; VAL [CWE191_Integer_Underflow__int_fscanf_sub_68_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_sub_68_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_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] [L1575] data - 1 VAL [CWE191_Integer_Underflow__int_fscanf_sub_68_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_sub_68_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_sub_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 14.18ms. Allocated memory was 100.7MB in the beginning and 165.7MB in the end (delta: 65.0MB). Free memory was 67.9MB in the beginning and 142.1MB in the end (delta: -74.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1549.27ms. Allocated memory is still 165.7MB. Free memory was 130.2MB in the beginning and 66.6MB in the end (delta: 63.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.06ms. Allocated memory is still 165.7MB. Free memory was 66.6MB in the beginning and 63.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.58ms. Allocated memory is still 165.7MB. Free memory was 63.8MB in the beginning and 62.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 430.24ms. Allocated memory is still 165.7MB. Free memory was 62.4MB in the beginning and 121.0MB in the end (delta: -58.7MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * CodeCheck took 393.98ms. Allocated memory is still 165.7MB. Free memory was 121.0MB in the beginning and 104.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.00ms. Allocated memory is still 165.7MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:45:58,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/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 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_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/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_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/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_109009de-bde8-4895-bd0a-9a94aa87c35e/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 dd53927551223037d87dfedf7e8f90f8740ee3e7629975b1d046fc1a64ec5564 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:46:01,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:46:01,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:46:01,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:46:01,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:46:01,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:46:01,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:46:01,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:46:01,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:46:01,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:46:01,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:46:01,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:46:01,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:46:01,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:46:01,332 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:46:01,332 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:46:01,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:46:01,336 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:46:01,336 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:46:01,337 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:46:01,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:46:01,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:46:01,339 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:46:01,339 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:46:01,339 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:46:01,340 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:01,340 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:46:01,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:46:01,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:46:01,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:46:01,342 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:46:01,342 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:46:01,343 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:46:01,343 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:01,344 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:46:01,344 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_109009de-bde8-4895-bd0a-9a94aa87c35e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd53927551223037d87dfedf7e8f90f8740ee3e7629975b1d046fc1a64ec5564 [2024-11-08 23:46:01,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:46:01,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:46:01,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:46:01,778 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:46:01,779 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:46:01,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_bad.i Unable to find full path for "g++" [2024-11-08 23:46:03,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:46:04,201 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:46:04,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_68_bad.i [2024-11-08 23:46:04,232 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/data/31ca09054/20139a5df766418d91163b1ac740b014/FLAG8c5cbad62 [2024-11-08 23:46:04,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/data/31ca09054/20139a5df766418d91163b1ac740b014 [2024-11-08 23:46:04,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:46:04,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:46:04,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:46:04,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:46:04,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:46:04,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:46:04" (1/1) ... [2024-11-08 23:46:04,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dcfa1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:04, skipping insertion in model container [2024-11-08 23:46:04,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:46:04" (1/1) ... [2024-11-08 23:46:04,330 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:46:05,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:46:05,457 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:46:05,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:46:05,726 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:46:05,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:05 WrapperNode [2024-11-08 23:46:05,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:46:05,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:46:05,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:46:05,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:46:05,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:05" (1/1) ... [2024-11-08 23:46:05,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:05" (1/1) ... [2024-11-08 23:46:05,789 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 45 [2024-11-08 23:46:05,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:46:05,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:46:05,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:46:05,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:46:05,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:05" (1/1) ... [2024-11-08 23:46:05,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:05" (1/1) ... [2024-11-08 23:46:05,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:05" (1/1) ... [2024-11-08 23:46:05,805 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:05" (1/1) ... [2024-11-08 23:46:05,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:05" (1/1) ... [2024-11-08 23:46:05,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:05" (1/1) ... [2024-11-08 23:46:05,817 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:05" (1/1) ... [2024-11-08 23:46:05,818 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:05" (1/1) ... [2024-11-08 23:46:05,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:46:05,823 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:46:05,823 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:46:05,823 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:46:05,824 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:05" (1/1) ... [2024-11-08 23:46:05,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:46:05,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:46:05,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:46:05,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:46:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:46:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:46:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:46:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:46:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:46:06,093 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:46:06,096 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:46:06,225 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 23:46:06,227 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:46:06,299 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:46:06,299 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:46:06,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:46:06 BoogieIcfgContainer [2024-11-08 23:46:06,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:46:06,302 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:46:06,303 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:46:06,312 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:46:06,313 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:46:06" (1/1) ... [2024-11-08 23:46:06,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:46:06,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:06,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:46:06,386 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:46:06,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:46:06,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:06,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:06,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:06,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:06,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:46:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:46:06,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:46:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:46:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:46:06,677 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:46:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:46:06,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:46:06,722 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:46:06,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:46:06 ImpRootNode [2024-11-08 23:46:06,755 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:46:06,757 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:46:06,757 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:46:06,759 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:46:06,759 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:46:06" (3/4) ... [2024-11-08 23:46:06,762 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:46:06,763 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:46:06,765 INFO L158 Benchmark]: Toolchain (without parser) took 2516.91ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 64.8MB in the beginning and 68.4MB in the end (delta: -3.5MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-11-08 23:46:06,766 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 92.3MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:46:06,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1478.59ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 64.6MB in the beginning and 69.1MB in the end (delta: -4.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-08 23:46:06,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.27ms. Allocated memory is still 119.5MB. Free memory was 69.1MB in the beginning and 66.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:46:06,769 INFO L158 Benchmark]: Boogie Preprocessor took 31.21ms. Allocated memory is still 119.5MB. Free memory was 66.5MB in the beginning and 64.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:46:06,769 INFO L158 Benchmark]: RCFGBuilder took 476.97ms. Allocated memory is still 119.5MB. Free memory was 64.4MB in the beginning and 82.4MB in the end (delta: -18.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-08 23:46:06,771 INFO L158 Benchmark]: CodeCheck took 453.17ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 69.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:46:06,771 INFO L158 Benchmark]: Witness Printer took 6.57ms. Allocated memory is still 119.5MB. Free memory was 69.0MB in the beginning and 68.4MB in the end (delta: 670.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:46:06,776 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, 12 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, 6 NumberOfCodeBlocks, 6 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: 1575]: 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 1563. 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_fscanf_sub_68_badData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_68_badData=0, 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) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_68_badData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_sub_68_bad() [L1554] int data; [L1555] data = 0 [L1557] CWE191_Integer_Underflow__int_fscanf_sub_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_fscanf_sub_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_fscanf_sub_68_badData; VAL [CWE191_Integer_Underflow__int_fscanf_sub_68_badData=-2147483648, 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] [L1575] data - 1 VAL [CWE191_Integer_Underflow__int_fscanf_sub_68_badData=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 92.3MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1478.59ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 64.6MB in the beginning and 69.1MB in the end (delta: -4.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.27ms. Allocated memory is still 119.5MB. Free memory was 69.1MB in the beginning and 66.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.21ms. Allocated memory is still 119.5MB. Free memory was 66.5MB in the beginning and 64.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 476.97ms. Allocated memory is still 119.5MB. Free memory was 64.4MB in the beginning and 82.4MB in the end (delta: -18.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * CodeCheck took 453.17ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 69.0MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.57ms. Allocated memory is still 119.5MB. Free memory was 69.0MB in the beginning and 68.4MB in the end (delta: 670.9kB). 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 23:46:06,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_109009de-bde8-4895-bd0a-9a94aa87c35e/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