./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_06_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_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/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_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/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_ed2380e1-a613-4d78-babc-dffc09c1c925/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 4a972c415572d6d2bef15468902f21357d494ac275eabfd1c652202613e75ee6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:32,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:32,246 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:05:32,254 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:05:32,255 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:05:32,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:32,297 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:32,297 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:32,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:32,298 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:32,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:32,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:32,299 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:05:32,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:32,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:32,301 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:32,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:32,302 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:32,302 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:05:32,303 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:05:32,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:32,305 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:32,305 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:32,306 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:32,306 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:32,306 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:32,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:32,307 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:32,307 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:32,307 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:32,308 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:05:32,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:05:32,308 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_ed2380e1-a613-4d78-babc-dffc09c1c925/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a972c415572d6d2bef15468902f21357d494ac275eabfd1c652202613e75ee6 [2024-11-08 22:05:32,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:32,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:32,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:32,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:32,628 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:32,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_06_bad.i Unable to find full path for "g++" [2024-11-08 22:05:34,611 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:34,952 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:34,955 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_06_bad.i [2024-11-08 22:05:34,985 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/data/8fc581928/9849f575f86949989f3db5c1eee846b0/FLAGd6054df56 [2024-11-08 22:05:35,017 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/data/8fc581928/9849f575f86949989f3db5c1eee846b0 [2024-11-08 22:05:35,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:35,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:35,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:35,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:35,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:35,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d0e6472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35, skipping insertion in model container [2024-11-08 22:05:35,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,155 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:36,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:36,247 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:36,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:36,504 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:36,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36 WrapperNode [2024-11-08 22:05:36,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:36,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:36,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:36,507 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:36,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,584 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2024-11-08 22:05:36,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:36,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:36,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:36,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:36,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,624 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:36,625 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:36,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:36,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:36,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:36,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:36,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:36,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:05:36,737 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:05:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:36,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:36,886 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:36,888 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:37,004 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:37,005 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:37,055 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:37,055 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:05:37,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:37 BoogieIcfgContainer [2024-11-08 22:05:37,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:37,057 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:37,057 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:37,068 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:37,069 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:37,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:37,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:05:37,133 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:05:37,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:05:37,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:37,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:37,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:37,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:37,472 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:05:37,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:37 ImpRootNode [2024-11-08 22:05:37,502 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:37,504 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:37,504 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:37,504 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:37,504 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:37" (3/4) ... [2024-11-08 22:05:37,507 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:05:37,508 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:37,510 INFO L158 Benchmark]: Toolchain (without parser) took 2488.04ms. Allocated memory is still 134.2MB. Free memory was 106.9MB in the beginning and 75.1MB in the end (delta: 31.8MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:37,510 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:37,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1481.83ms. Allocated memory is still 134.2MB. Free memory was 106.9MB in the beginning and 41.1MB in the end (delta: 65.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-08 22:05:37,513 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.00ms. Allocated memory is still 134.2MB. Free memory was 41.1MB in the beginning and 38.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:05:37,514 INFO L158 Benchmark]: Boogie Preprocessor took 39.83ms. Allocated memory is still 134.2MB. Free memory was 38.2MB in the beginning and 36.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:37,514 INFO L158 Benchmark]: RCFGBuilder took 430.90ms. Allocated memory is still 134.2MB. Free memory was 36.9MB in the beginning and 91.0MB in the end (delta: -54.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-11-08 22:05:37,515 INFO L158 Benchmark]: CodeCheck took 445.31ms. Allocated memory is still 134.2MB. Free memory was 91.0MB in the beginning and 76.0MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:05:37,515 INFO L158 Benchmark]: Witness Printer took 5.54ms. Allocated memory is still 134.2MB. Free memory was 75.1MB in the beginning and 75.1MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:37,520 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_sub_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1481.83ms. Allocated memory is still 134.2MB. Free memory was 106.9MB in the beginning and 41.1MB in the end (delta: 65.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.00ms. Allocated memory is still 134.2MB. Free memory was 41.1MB in the beginning and 38.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.83ms. Allocated memory is still 134.2MB. Free memory was 38.2MB in the beginning and 36.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 430.90ms. Allocated memory is still 134.2MB. Free memory was 36.9MB in the beginning and 91.0MB in the end (delta: -54.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * CodeCheck took 445.31ms. Allocated memory is still 134.2MB. Free memory was 91.0MB in the beginning and 76.0MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.54ms. Allocated memory is still 134.2MB. Free memory was 75.1MB in the beginning and 75.1MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:05:37,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/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_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/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_ed2380e1-a613-4d78-babc-dffc09c1c925/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 4a972c415572d6d2bef15468902f21357d494ac275eabfd1c652202613e75ee6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:40,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:40,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:05:40,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:40,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:40,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:40,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:40,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:40,645 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:40,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:40,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:40,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:40,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:40,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:40,648 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:05:40,651 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:05:40,651 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:40,651 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:05:40,652 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:05:40,652 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:05:40,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:40,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:40,653 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:40,657 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:40,658 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:40,658 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:40,658 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:05:40,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:40,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:40,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:40,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:40,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:40,660 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:05:40,660 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:40,660 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:05:40,661 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_ed2380e1-a613-4d78-babc-dffc09c1c925/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a972c415572d6d2bef15468902f21357d494ac275eabfd1c652202613e75ee6 [2024-11-08 22:05:41,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:41,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:41,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:41,099 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:41,100 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:41,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_06_bad.i Unable to find full path for "g++" [2024-11-08 22:05:43,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:43,620 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:43,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_06_bad.i [2024-11-08 22:05:43,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/data/b08496058/f70028b5905e4e03827995c1fe7ed962/FLAG092f4bb30 [2024-11-08 22:05:43,726 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/data/b08496058/f70028b5905e4e03827995c1fe7ed962 [2024-11-08 22:05:43,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:43,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:43,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:43,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:43,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:43,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14969e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:43, skipping insertion in model container [2024-11-08 22:05:43,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:43" (1/1) ... [2024-11-08 22:05:43,815 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:44,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:44,988 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:45,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:45,245 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:45,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45 WrapperNode [2024-11-08 22:05:45,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:45,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:45,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:45,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:45,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,298 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,321 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-08 22:05:45,321 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:45,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:45,322 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:45,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:45,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,349 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:45,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:45,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:45,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:45,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:45,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:45,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:45,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:05:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:05:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:45,608 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:45,611 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:45,782 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:45,782 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:45,865 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:45,865 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:05:45,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:45 BoogieIcfgContainer [2024-11-08 22:05:45,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:45,867 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:45,867 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:45,879 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:45,879 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:45" (1/1) ... [2024-11-08 22:05:45,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:45,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:45,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:05:45,964 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:05:45,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:05:45,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:45,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:05:45,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:05:45,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:05:45,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:05:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:46,164 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:46,298 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:46,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:05:46,349 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:05:46,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:46 ImpRootNode [2024-11-08 22:05:46,386 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:46,388 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:46,390 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:46,390 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:46,391 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:45" (3/4) ... [2024-11-08 22:05:46,394 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:05:46,395 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:46,396 INFO L158 Benchmark]: Toolchain (without parser) took 2665.21ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 51.6MB in the beginning and 41.8MB in the end (delta: 9.7MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-11-08 22:05:46,397 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 79.7MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:46,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1514.51ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 51.3MB in the beginning and 49.3MB in the end (delta: 2.0MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2024-11-08 22:05:46,398 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.27ms. Allocated memory is still 96.5MB. Free memory was 49.3MB in the beginning and 46.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:46,399 INFO L158 Benchmark]: Boogie Preprocessor took 30.62ms. Allocated memory is still 96.5MB. Free memory was 46.3MB in the beginning and 44.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:46,401 INFO L158 Benchmark]: RCFGBuilder took 512.64ms. Allocated memory is still 96.5MB. Free memory was 44.3MB in the beginning and 56.0MB in the end (delta: -11.8MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-11-08 22:05:46,401 INFO L158 Benchmark]: CodeCheck took 519.33ms. Allocated memory is still 96.5MB. Free memory was 56.0MB in the beginning and 41.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:05:46,402 INFO L158 Benchmark]: Witness Printer took 7.11ms. Allocated memory is still 96.5MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:46,405 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_sub_06_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1557] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 0.30ms. Allocated memory is still 79.7MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1514.51ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 51.3MB in the beginning and 49.3MB in the end (delta: 2.0MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.27ms. Allocated memory is still 96.5MB. Free memory was 49.3MB in the beginning and 46.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.62ms. Allocated memory is still 96.5MB. Free memory was 46.3MB in the beginning and 44.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 512.64ms. Allocated memory is still 96.5MB. Free memory was 44.3MB in the beginning and 56.0MB in the end (delta: -11.8MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * CodeCheck took 519.33ms. Allocated memory is still 96.5MB. Free memory was 56.0MB in the beginning and 41.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.11ms. Allocated memory is still 96.5MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:05:46,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed2380e1-a613-4d78-babc-dffc09c1c925/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