./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_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_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/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_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/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_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/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 f52f75515b6061665ede10c1900fb14769a398799ca1d838c94d20ee4ddedf7d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:28:40,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:28:40,970 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:28:40,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:28:40,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:28:41,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:28:41,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:28:41,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:28:41,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:28:41,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:28:41,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:28:41,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:28:41,028 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:28:41,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:28:41,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:28:41,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:28:41,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:28:41,038 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:28:41,038 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:28:41,038 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:28:41,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:28:41,039 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:28:41,040 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:28:41,040 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:28:41,044 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:28:41,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:28:41,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:28:41,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:28:41,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:28:41,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:28:41,046 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:28:41,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:28:41,048 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_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f52f75515b6061665ede10c1900fb14769a398799ca1d838c94d20ee4ddedf7d [2024-11-09 00:28:41,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:28:41,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:28:41,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:28:41,385 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:28:41,386 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:28:41,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i Unable to find full path for "g++" [2024-11-09 00:28:43,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:28:44,118 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:28:44,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i [2024-11-09 00:28:44,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/data/6505f862e/4091bf97288a49efa1488536609fc6ae/FLAG579f0cf2d [2024-11-09 00:28:44,169 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/data/6505f862e/4091bf97288a49efa1488536609fc6ae [2024-11-09 00:28:44,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:28:44,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:28:44,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:28:44,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:28:44,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:28:44,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:28:44" (1/1) ... [2024-11-09 00:28:44,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c4d343c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:44, skipping insertion in model container [2024-11-09 00:28:44,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:28:44" (1/1) ... [2024-11-09 00:28:44,275 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:28:45,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:28:45,549 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:28:45,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:28:45,912 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:28:45,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:45 WrapperNode [2024-11-09 00:28:45,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:28:45,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:28:45,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:28:45,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:28:45,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:45" (1/1) ... [2024-11-09 00:28:45,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:45" (1/1) ... [2024-11-09 00:28:45,979 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-09 00:28:45,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:28:45,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:28:45,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:28:45,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:28:45,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:45" (1/1) ... [2024-11-09 00:28:45,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:45" (1/1) ... [2024-11-09 00:28:45,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:45" (1/1) ... [2024-11-09 00:28:45,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:45" (1/1) ... [2024-11-09 00:28:46,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:45" (1/1) ... [2024-11-09 00:28:46,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:45" (1/1) ... [2024-11-09 00:28:46,006 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:45" (1/1) ... [2024-11-09 00:28:46,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:45" (1/1) ... [2024-11-09 00:28:46,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:28:46,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:28:46,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:28:46,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:28:46,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:45" (1/1) ... [2024-11-09 00:28:46,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:28:46,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:28:46,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:28:46,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:28:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:28:46,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:28:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:28:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:28:46,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:28:46,276 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:28:46,278 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:28:46,401 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-09 00:28:46,401 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:28:46,446 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:28:46,446 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:28:46,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:28:46 BoogieIcfgContainer [2024-11-09 00:28:46,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:28:46,448 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:28:46,448 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:28:46,461 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:28:46,461 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:28:46" (1/1) ... [2024-11-09 00:28:46,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:28:46,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:46,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:28:46,536 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:28:46,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:28:46,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:46,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:28:46,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:28:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:28:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:28:46,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:28:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:28:46,836 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:28:46,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:28:46 ImpRootNode [2024-11-09 00:28:46,876 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:28:46,877 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:28:46,877 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:28:46,877 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:28:46,878 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:28:46" (3/4) ... [2024-11-09 00:28:46,885 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:28:46,886 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:28:46,887 INFO L158 Benchmark]: Toolchain (without parser) took 2710.06ms. Allocated memory is still 161.5MB. Free memory was 117.1MB in the beginning and 78.4MB in the end (delta: 38.7MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-11-09 00:28:46,889 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:28:46,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1733.97ms. Allocated memory is still 161.5MB. Free memory was 117.1MB in the beginning and 111.9MB in the end (delta: 5.1MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-09 00:28:46,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.92ms. Allocated memory is still 161.5MB. Free memory was 111.9MB in the beginning and 109.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:28:46,895 INFO L158 Benchmark]: Boogie Preprocessor took 29.57ms. Allocated memory is still 161.5MB. Free memory was 109.0MB in the beginning and 107.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:28:46,897 INFO L158 Benchmark]: RCFGBuilder took 436.59ms. Allocated memory is still 161.5MB. Free memory was 107.7MB in the beginning and 93.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:28:46,897 INFO L158 Benchmark]: CodeCheck took 427.84ms. Allocated memory is still 161.5MB. Free memory was 93.8MB in the beginning and 79.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:28:46,899 INFO L158 Benchmark]: Witness Printer took 9.88ms. Allocated memory is still 161.5MB. Free memory was 79.1MB in the beginning and 78.4MB in the end (delta: 697.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:28:46,906 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: 1567]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_51_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_51b_badSink(data) [L1567] --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 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1733.97ms. Allocated memory is still 161.5MB. Free memory was 117.1MB in the beginning and 111.9MB in the end (delta: 5.1MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.92ms. Allocated memory is still 161.5MB. Free memory was 111.9MB in the beginning and 109.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.57ms. Allocated memory is still 161.5MB. Free memory was 109.0MB in the beginning and 107.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 436.59ms. Allocated memory is still 161.5MB. Free memory was 107.7MB in the beginning and 93.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 427.84ms. Allocated memory is still 161.5MB. Free memory was 93.8MB in the beginning and 79.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 9.88ms. Allocated memory is still 161.5MB. Free memory was 79.1MB in the beginning and 78.4MB in the end (delta: 697.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:28:46,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/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_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/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_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/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 f52f75515b6061665ede10c1900fb14769a398799ca1d838c94d20ee4ddedf7d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:28:49,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:28:49,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:28:49,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:28:49,968 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:28:49,969 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:28:49,970 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:28:49,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:28:49,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:28:49,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:28:49,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:28:49,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:28:49,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:28:49,980 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:28:49,980 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:28:49,981 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:28:49,981 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:28:49,982 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:28:49,982 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:28:49,983 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:28:49,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:28:49,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:28:49,989 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:28:49,989 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:28:49,989 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:28:49,990 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:49,990 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:28:49,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:28:49,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:28:49,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:28:49,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:28:49,995 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:28:49,995 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:28:49,996 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:49,996 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:28:49,997 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_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f52f75515b6061665ede10c1900fb14769a398799ca1d838c94d20ee4ddedf7d [2024-11-09 00:28:50,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:28:50,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:28:50,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:28:50,571 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:28:50,575 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:28:50,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i Unable to find full path for "g++" [2024-11-09 00:28:52,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:28:53,477 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:28:53,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i [2024-11-09 00:28:53,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/data/dd9f8c846/236afe39f37149c3ae87612e926ec44a/FLAG3d689f57e [2024-11-09 00:28:53,531 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/data/dd9f8c846/236afe39f37149c3ae87612e926ec44a [2024-11-09 00:28:53,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:28:53,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:28:53,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:28:53,542 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:28:53,551 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:28:53,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:28:53" (1/1) ... [2024-11-09 00:28:53,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11821e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:53, skipping insertion in model container [2024-11-09 00:28:53,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:28:53" (1/1) ... [2024-11-09 00:28:53,640 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:28:54,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:28:54,918 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:28:55,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:28:55,341 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:28:55,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:55 WrapperNode [2024-11-09 00:28:55,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:28:55,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:28:55,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:28:55,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:28:55,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:55" (1/1) ... [2024-11-09 00:28:55,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:55" (1/1) ... [2024-11-09 00:28:55,446 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-09 00:28:55,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:28:55,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:28:55,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:28:55,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:28:55,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:55" (1/1) ... [2024-11-09 00:28:55,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:55" (1/1) ... [2024-11-09 00:28:55,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:55" (1/1) ... [2024-11-09 00:28:55,472 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:55" (1/1) ... [2024-11-09 00:28:55,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:55" (1/1) ... [2024-11-09 00:28:55,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:55" (1/1) ... [2024-11-09 00:28:55,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:55" (1/1) ... [2024-11-09 00:28:55,498 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:55" (1/1) ... [2024-11-09 00:28:55,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:28:55,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:28:55,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:28:55,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:28:55,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:55" (1/1) ... [2024-11-09 00:28:55,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:28:55,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:28:55,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:28:55,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:28:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:28:55,586 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:28:55,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:28:55,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:28:55,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:28:55,829 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:28:55,832 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:28:56,051 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 00:28:56,054 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:28:56,138 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:28:56,138 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:28:56,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:28:56 BoogieIcfgContainer [2024-11-09 00:28:56,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:28:56,141 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:28:56,142 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:28:56,154 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:28:56,155 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:28:56" (1/1) ... [2024-11-09 00:28:56,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:28:56,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:56,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:28:56,252 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:28:56,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:28:56,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:56,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:56,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:56,264 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:56,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:28:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:28:56,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:28:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:28:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:28:56,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:28:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:28:56,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:56,697 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:28:56,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:28:56 ImpRootNode [2024-11-09 00:28:56,739 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:28:56,740 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:28:56,742 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:28:56,743 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:28:56,743 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:28:56" (3/4) ... [2024-11-09 00:28:56,749 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:28:56,751 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:28:56,752 INFO L158 Benchmark]: Toolchain (without parser) took 3214.49ms. Allocated memory is still 96.5MB. Free memory was 68.9MB in the beginning and 46.3MB in the end (delta: 22.6MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-11-09 00:28:56,753 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 84.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:28:56,754 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1800.05ms. Allocated memory is still 96.5MB. Free memory was 68.7MB in the beginning and 53.9MB in the end (delta: 14.8MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-09 00:28:56,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.15ms. Allocated memory is still 96.5MB. Free memory was 53.9MB in the beginning and 50.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:28:56,757 INFO L158 Benchmark]: Boogie Preprocessor took 55.83ms. Allocated memory is still 96.5MB. Free memory was 50.6MB in the beginning and 49.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:28:56,758 INFO L158 Benchmark]: RCFGBuilder took 633.46ms. Allocated memory is still 96.5MB. Free memory was 49.0MB in the beginning and 60.0MB in the end (delta: -11.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-11-09 00:28:56,760 INFO L158 Benchmark]: CodeCheck took 597.95ms. Allocated memory is still 96.5MB. Free memory was 60.0MB in the beginning and 46.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:28:56,760 INFO L158 Benchmark]: Witness Printer took 11.28ms. Allocated memory is still 96.5MB. Free memory was 46.8MB in the beginning and 46.3MB in the end (delta: 492.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:28:56,767 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1567]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_51_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_51b_badSink(data) [L1567] --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 0.28ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 84.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1800.05ms. Allocated memory is still 96.5MB. Free memory was 68.7MB in the beginning and 53.9MB in the end (delta: 14.8MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.15ms. Allocated memory is still 96.5MB. Free memory was 53.9MB in the beginning and 50.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.83ms. Allocated memory is still 96.5MB. Free memory was 50.6MB in the beginning and 49.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 633.46ms. Allocated memory is still 96.5MB. Free memory was 49.0MB in the beginning and 60.0MB in the end (delta: -11.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * CodeCheck took 597.95ms. Allocated memory is still 96.5MB. Free memory was 60.0MB in the beginning and 46.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 11.28ms. Allocated memory is still 96.5MB. Free memory was 46.8MB in the beginning and 46.3MB in the end (delta: 492.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:28:56,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f30c8fc6-166c-4f55-89cf-c26c4c68f7cf/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